Home / 22,646.26-31,247.18-13,694.14

Finding the Fourth Proportional to 22,646.26, 31,247.18 and 13,694.14

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Solution

The fourth proportional to 22,646.26, 31,247.18 and 13,694.14 is: 18,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,646.26 : 31,247.18 = 13,694.14 : x
  2. Step 2: Convert to fraction form
    22,646.26/31,247.18 = 13,694.14/x
  3. Step 3: Cross multiply
    22,646.26x = 31,247.18 × 13,694.14
  4. Step 4: Simplify right side
    22,646.26x = 427,903,257.53
  5. Step 5: Solve for x
    x = 427,903,257.53/22,646.26
  6. Step 6: Final answer
    x = 18,895.10

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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.