Home / 22,891.14-31,587.66-13,332.12

Finding the Fourth Proportional to 22,891.14, 31,587.66 and 13,332.12

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Solution

The fourth proportional to 22,891.14, 31,587.66 and 13,332.12 is: 18,397.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,891.14 : 31,587.66 = 13,332.12 : x
  2. Step 2: Convert to fraction form
    22,891.14/31,587.66 = 13,332.12/x
  3. Step 3: Cross multiply
    22,891.14x = 31,587.66 × 13,332.12
  4. Step 4: Simplify right side
    22,891.14x = 421,130,473.64
  5. Step 5: Solve for x
    x = 421,130,473.64/22,891.14
  6. Step 6: Final answer
    x = 18,397.09

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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.