Home / 25,442.73-38,136.91-13,589.19

Finding the Fourth Proportional to 25,442.73, 38,136.91 and 13,589.19

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Solution

The fourth proportional to 25,442.73, 38,136.91 and 13,589.19 is: 20,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,442.73 : 38,136.91 = 13,589.19 : x
  2. Step 2: Convert to fraction form
    25,442.73/38,136.91 = 13,589.19/x
  3. Step 3: Cross multiply
    25,442.73x = 38,136.91 × 13,589.19
  4. Step 4: Simplify right side
    25,442.73x = 518,249,716.00
  5. Step 5: Solve for x
    x = 518,249,716.00/25,442.73
  6. Step 6: Final answer
    x = 20,369.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.