Home / 15,943.80-22,004.18-9,229.32

Finding the Fourth Proportional to 15,943.80, 22,004.18 and 9,229.32

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Solution

The fourth proportional to 15,943.80, 22,004.18 and 9,229.32 is: 12,737.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.80 : 22,004.18 = 9,229.32 : x
  2. Step 2: Convert to fraction form
    15,943.80/22,004.18 = 9,229.32/x
  3. Step 3: Cross multiply
    15,943.80x = 22,004.18 × 9,229.32
  4. Step 4: Simplify right side
    15,943.80x = 203,083,618.56
  5. Step 5: Solve for x
    x = 203,083,618.56/15,943.80
  6. Step 6: Final answer
    x = 12,737.47

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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.