Home / 15,630.57-23,440.95-4,538.02

Finding the Fourth Proportional to 15,630.57, 23,440.95 and 4,538.02

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Solution

The fourth proportional to 15,630.57, 23,440.95 and 4,538.02 is: 6,805.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,630.57 : 23,440.95 = 4,538.02 : x
  2. Step 2: Convert to fraction form
    15,630.57/23,440.95 = 4,538.02/x
  3. Step 3: Cross multiply
    15,630.57x = 23,440.95 × 4,538.02
  4. Step 4: Simplify right side
    15,630.57x = 106,375,499.92
  5. Step 5: Solve for x
    x = 106,375,499.92/15,630.57
  6. Step 6: Final answer
    x = 6,805.61

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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.