Home / 15,631.56-23,451.48-4,539.29

Finding the Fourth Proportional to 15,631.56, 23,451.48 and 4,539.29

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Solution

The fourth proportional to 15,631.56, 23,451.48 and 4,539.29 is: 6,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631.56 : 23,451.48 = 4,539.29 : x
  2. Step 2: Convert to fraction form
    15,631.56/23,451.48 = 4,539.29/x
  3. Step 3: Cross multiply
    15,631.56x = 23,451.48 × 4,539.29
  4. Step 4: Simplify right side
    15,631.56x = 106,452,951.39
  5. Step 5: Solve for x
    x = 106,452,951.39/15,631.56
  6. Step 6: Final answer
    x = 6,810.13

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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.