Home / 22,047.66-30,425.32-12,487.38

Finding the Fourth Proportional to 22,047.66, 30,425.32 and 12,487.38

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Solution

The fourth proportional to 22,047.66, 30,425.32 and 12,487.38 is: 17,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,047.66 : 30,425.32 = 12,487.38 : x
  2. Step 2: Convert to fraction form
    22,047.66/30,425.32 = 12,487.38/x
  3. Step 3: Cross multiply
    22,047.66x = 30,425.32 × 12,487.38
  4. Step 4: Simplify right side
    22,047.66x = 379,932,532.46
  5. Step 5: Solve for x
    x = 379,932,532.46/22,047.66
  6. Step 6: Final answer
    x = 17,232.33

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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.