Home / 15,424.16-23,122.73-7,414.92

Finding the Fourth Proportional to 15,424.16, 23,122.73 and 7,414.92

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Solution

The fourth proportional to 15,424.16, 23,122.73 and 7,414.92 is: 11,115.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424.16 : 23,122.73 = 7,414.92 : x
  2. Step 2: Convert to fraction form
    15,424.16/23,122.73 = 7,414.92/x
  3. Step 3: Cross multiply
    15,424.16x = 23,122.73 × 7,414.92
  4. Step 4: Simplify right side
    15,424.16x = 171,453,156.06
  5. Step 5: Solve for x
    x = 171,453,156.06/15,424.16
  6. Step 6: Final answer
    x = 11,115.89

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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.