Home / 15,153.31-22,730.33-5,158.02

Finding the Fourth Proportional to 15,153.31, 22,730.33 and 5,158.02

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Solution

The fourth proportional to 15,153.31, 22,730.33 and 5,158.02 is: 7,737.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153.31 : 22,730.33 = 5,158.02 : x
  2. Step 2: Convert to fraction form
    15,153.31/22,730.33 = 5,158.02/x
  3. Step 3: Cross multiply
    15,153.31x = 22,730.33 × 5,158.02
  4. Step 4: Simplify right side
    15,153.31x = 117,243,496.75
  5. Step 5: Solve for x
    x = 117,243,496.75/15,153.31
  6. Step 6: Final answer
    x = 7,737.15

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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.