Home / 22,495.77-31,057.43-15,432.57

Finding the Fourth Proportional to 22,495.77, 31,057.43 and 15,432.57

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Solution

The fourth proportional to 22,495.77, 31,057.43 and 15,432.57 is: 21,306.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,495.77 : 31,057.43 = 15,432.57 : x
  2. Step 2: Convert to fraction form
    22,495.77/31,057.43 = 15,432.57/x
  3. Step 3: Cross multiply
    22,495.77x = 31,057.43 × 15,432.57
  4. Step 4: Simplify right side
    22,495.77x = 479,295,885.33
  5. Step 5: Solve for x
    x = 479,295,885.33/22,495.77
  6. Step 6: Final answer
    x = 21,306.04

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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.