Home / 22,743.16-31,385.63-13,184.89

Finding the Fourth Proportional to 22,743.16, 31,385.63 and 13,184.89

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Solution

The fourth proportional to 22,743.16, 31,385.63 and 13,184.89 is: 18,195.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,743.16 : 31,385.63 = 13,184.89 : x
  2. Step 2: Convert to fraction form
    22,743.16/31,385.63 = 13,184.89/x
  3. Step 3: Cross multiply
    22,743.16x = 31,385.63 × 13,184.89
  4. Step 4: Simplify right side
    22,743.16x = 413,816,079.13
  5. Step 5: Solve for x
    x = 413,816,079.13/22,743.16
  6. Step 6: Final answer
    x = 18,195.19

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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.