Home / 15,617.76-23,426.62-5,087.76

Finding the Fourth Proportional to 15,617.76, 23,426.62 and 5,087.76

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Solution

The fourth proportional to 15,617.76, 23,426.62 and 5,087.76 is: 7,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617.76 : 23,426.62 = 5,087.76 : x
  2. Step 2: Convert to fraction form
    15,617.76/23,426.62 = 5,087.76/x
  3. Step 3: Cross multiply
    15,617.76x = 23,426.62 × 5,087.76
  4. Step 4: Simplify right side
    15,617.76x = 119,188,997.91
  5. Step 5: Solve for x
    x = 119,188,997.91/15,617.76
  6. Step 6: Final answer
    x = 7,631.63

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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.