Home / 22,518.14-31,068.24-13,084.88

Finding the Fourth Proportional to 22,518.14, 31,068.24 and 13,084.88

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Solution

The fourth proportional to 22,518.14, 31,068.24 and 13,084.88 is: 18,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518.14 : 31,068.24 = 13,084.88 : x
  2. Step 2: Convert to fraction form
    22,518.14/31,068.24 = 13,084.88/x
  3. Step 3: Cross multiply
    22,518.14x = 31,068.24 × 13,084.88
  4. Step 4: Simplify right side
    22,518.14x = 406,524,192.21
  5. Step 5: Solve for x
    x = 406,524,192.21/22,518.14
  6. Step 6: Final answer
    x = 18,053.19

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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.