Home / 15,612.82-23,428.45-5,758.98

Finding the Fourth Proportional to 15,612.82, 23,428.45 and 5,758.98

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Solution

The fourth proportional to 15,612.82, 23,428.45 and 5,758.98 is: 8,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.82 : 23,428.45 = 5,758.98 : x
  2. Step 2: Convert to fraction form
    15,612.82/23,428.45 = 5,758.98/x
  3. Step 3: Cross multiply
    15,612.82x = 23,428.45 × 5,758.98
  4. Step 4: Simplify right side
    15,612.82x = 134,923,974.98
  5. Step 5: Solve for x
    x = 134,923,974.98/15,612.82
  6. Step 6: Final answer
    x = 8,641.87

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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.