Home / 19,825.53-29,742-16,159.89

Finding the Fourth Proportional to 19,825.53, 29,742 and 16,159.89

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Solution

The fourth proportional to 19,825.53, 29,742 and 16,159.89 is: 24,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.53 : 29,742 = 16,159.89 : x
  2. Step 2: Convert to fraction form
    19,825.53/29,742 = 16,159.89/x
  3. Step 3: Cross multiply
    19,825.53x = 29,742 × 16,159.89
  4. Step 4: Simplify right side
    19,825.53x = 480,627,448.38
  5. Step 5: Solve for x
    x = 480,627,448.38/19,825.53
  6. Step 6: Final answer
    x = 24,242.85

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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.