Home / 18,474.68-25,498.18-10,515.82

Finding the Fourth Proportional to 18,474.68, 25,498.18 and 10,515.82

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Solution

The fourth proportional to 18,474.68, 25,498.18 and 10,515.82 is: 14,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.68 : 25,498.18 = 10,515.82 : x
  2. Step 2: Convert to fraction form
    18,474.68/25,498.18 = 10,515.82/x
  3. Step 3: Cross multiply
    18,474.68x = 25,498.18 × 10,515.82
  4. Step 4: Simplify right side
    18,474.68x = 268,134,271.21
  5. Step 5: Solve for x
    x = 268,134,271.21/18,474.68
  6. Step 6: Final answer
    x = 14,513.61

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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.