Home / 22,170.42-33,125.73-21,395.25

Finding the Fourth Proportional to 22,170.42, 33,125.73 and 21,395.25

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Solution

The fourth proportional to 22,170.42, 33,125.73 and 21,395.25 is: 31,967.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.42 : 33,125.73 = 21,395.25 : x
  2. Step 2: Convert to fraction form
    22,170.42/33,125.73 = 21,395.25/x
  3. Step 3: Cross multiply
    22,170.42x = 33,125.73 × 21,395.25
  4. Step 4: Simplify right side
    22,170.42x = 708,733,274.78
  5. Step 5: Solve for x
    x = 708,733,274.78/22,170.42
  6. Step 6: Final answer
    x = 31,967.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.