Home / 15,520.50-23,283.18-5,134.68

Finding the Fourth Proportional to 15,520.50, 23,283.18 and 5,134.68

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Solution

The fourth proportional to 15,520.50, 23,283.18 and 5,134.68 is: 7,702.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.50 : 23,283.18 = 5,134.68 : x
  2. Step 2: Convert to fraction form
    15,520.50/23,283.18 = 5,134.68/x
  3. Step 3: Cross multiply
    15,520.50x = 23,283.18 × 5,134.68
  4. Step 4: Simplify right side
    15,520.50x = 119,551,678.68
  5. Step 5: Solve for x
    x = 119,551,678.68/15,520.50
  6. Step 6: Final answer
    x = 7,702.82

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1.5x scale

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.