Home / 29,391.76-40,561.05-15,963.04

Finding the Fourth Proportional to 29,391.76, 40,561.05 and 15,963.04

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Solution

The fourth proportional to 29,391.76, 40,561.05 and 15,963.04 is: 22,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,391.76 : 40,561.05 = 15,963.04 : x
  2. Step 2: Convert to fraction form
    29,391.76/40,561.05 = 15,963.04/x
  3. Step 3: Cross multiply
    29,391.76x = 40,561.05 × 15,963.04
  4. Step 4: Simplify right side
    29,391.76x = 647,477,663.59
  5. Step 5: Solve for x
    x = 647,477,663.59/29,391.76
  6. Step 6: Final answer
    x = 22,029.22

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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.