Home / 22,417.16-30,915.09-14,757.20

Finding the Fourth Proportional to 22,417.16, 30,915.09 and 14,757.20

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Solution

The fourth proportional to 22,417.16, 30,915.09 and 14,757.20 is: 20,351.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,417.16 : 30,915.09 = 14,757.20 : x
  2. Step 2: Convert to fraction form
    22,417.16/30,915.09 = 14,757.20/x
  3. Step 3: Cross multiply
    22,417.16x = 30,915.09 × 14,757.20
  4. Step 4: Simplify right side
    22,417.16x = 456,220,011.57
  5. Step 5: Solve for x
    x = 456,220,011.57/22,417.16
  6. Step 6: Final answer
    x = 20,351.37

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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.