Home / 18,519.92-25,557.69-10,562.61

Finding the Fourth Proportional to 18,519.92, 25,557.69 and 10,562.61

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Solution

The fourth proportional to 18,519.92, 25,557.69 and 10,562.61 is: 14,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519.92 : 25,557.69 = 10,562.61 : x
  2. Step 2: Convert to fraction form
    18,519.92/25,557.69 = 10,562.61/x
  3. Step 3: Cross multiply
    18,519.92x = 25,557.69 × 10,562.61
  4. Step 4: Simplify right side
    18,519.92x = 269,955,911.97
  5. Step 5: Solve for x
    x = 269,955,911.97/18,519.92
  6. Step 6: Final answer
    x = 14,576.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.