Home / 15,490.76-23,238.87-5,498.56

Finding the Fourth Proportional to 15,490.76, 23,238.87 and 5,498.56

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Solution

The fourth proportional to 15,490.76, 23,238.87 and 5,498.56 is: 8,248.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490.76 : 23,238.87 = 5,498.56 : x
  2. Step 2: Convert to fraction form
    15,490.76/23,238.87 = 5,498.56/x
  3. Step 3: Cross multiply
    15,490.76x = 23,238.87 × 5,498.56
  4. Step 4: Simplify right side
    15,490.76x = 127,780,329.46
  5. Step 5: Solve for x
    x = 127,780,329.46/15,490.76
  6. Step 6: Final answer
    x = 8,248.81

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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.