Home / 22,125.38-30,571.86-17,685.74

Finding the Fourth Proportional to 22,125.38, 30,571.86 and 17,685.74

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Solution

The fourth proportional to 22,125.38, 30,571.86 and 17,685.74 is: 24,437.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,125.38 : 30,571.86 = 17,685.74 : x
  2. Step 2: Convert to fraction form
    22,125.38/30,571.86 = 17,685.74/x
  3. Step 3: Cross multiply
    22,125.38x = 30,571.86 × 17,685.74
  4. Step 4: Simplify right side
    22,125.38x = 540,685,967.28
  5. Step 5: Solve for x
    x = 540,685,967.28/22,125.38
  6. Step 6: Final answer
    x = 24,437.36

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Half scale
Find fourth proportional to 44,250.76, 61,143.72 and 35,371.48
Double scale
Find fourth proportional to 22,126.38, 30,573.24 and 17,686.74
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.