Home / 12,373.79-18,560.69-10,175.86

Finding the Fourth Proportional to 12,373.79, 18,560.69 and 10,175.86

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Solution

The fourth proportional to 12,373.79, 18,560.69 and 10,175.86 is: 15,263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.79 : 18,560.69 = 10,175.86 : x
  2. Step 2: Convert to fraction form
    12,373.79/18,560.69 = 10,175.86/x
  3. Step 3: Cross multiply
    12,373.79x = 18,560.69 × 10,175.86
  4. Step 4: Simplify right side
    12,373.79x = 188,870,839.26
  5. Step 5: Solve for x
    x = 188,870,839.26/12,373.79
  6. Step 6: Final answer
    x = 15,263.78

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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.