Home / 15,399.52-23,099.90-4,869.74

Finding the Fourth Proportional to 15,399.52, 23,099.90 and 4,869.74

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Solution

The fourth proportional to 15,399.52, 23,099.90 and 4,869.74 is: 7,304.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.52 : 23,099.90 = 4,869.74 : x
  2. Step 2: Convert to fraction form
    15,399.52/23,099.90 = 4,869.74/x
  3. Step 3: Cross multiply
    15,399.52x = 23,099.90 × 4,869.74
  4. Step 4: Simplify right side
    15,399.52x = 112,490,507.03
  5. Step 5: Solve for x
    x = 112,490,507.03/15,399.52
  6. Step 6: Final answer
    x = 7,304.81

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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.