Home / 22,675.53-31,294.21-13,247.13

Finding the Fourth Proportional to 22,675.53, 31,294.21 and 13,247.13

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Solution

The fourth proportional to 22,675.53, 31,294.21 and 13,247.13 is: 18,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,675.53 : 31,294.21 = 13,247.13 : x
  2. Step 2: Convert to fraction form
    22,675.53/31,294.21 = 13,247.13/x
  3. Step 3: Cross multiply
    22,675.53x = 31,294.21 × 13,247.13
  4. Step 4: Simplify right side
    22,675.53x = 414,558,468.12
  5. Step 5: Solve for x
    x = 414,558,468.12/22,675.53
  6. Step 6: Final answer
    x = 18,282.20

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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.