Home / 14,672.48-21,902.16-13,591.13

Finding the Fourth Proportional to 14,672.48, 21,902.16 and 13,591.13

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Solution

The fourth proportional to 14,672.48, 21,902.16 and 13,591.13 is: 20,287.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.48 : 21,902.16 = 13,591.13 : x
  2. Step 2: Convert to fraction form
    14,672.48/21,902.16 = 13,591.13/x
  3. Step 3: Cross multiply
    14,672.48x = 21,902.16 × 13,591.13
  4. Step 4: Simplify right side
    14,672.48x = 297,675,045.30
  5. Step 5: Solve for x
    x = 297,675,045.30/14,672.48
  6. Step 6: Final answer
    x = 20,287.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.