Home / 18,500.92-25,531.14-10,117.48

Finding the Fourth Proportional to 18,500.92, 25,531.14 and 10,117.48

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Solution

The fourth proportional to 18,500.92, 25,531.14 and 10,117.48 is: 13,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.92 : 25,531.14 = 10,117.48 : x
  2. Step 2: Convert to fraction form
    18,500.92/25,531.14 = 10,117.48/x
  3. Step 3: Cross multiply
    18,500.92x = 25,531.14 × 10,117.48
  4. Step 4: Simplify right side
    18,500.92x = 258,310,798.33
  5. Step 5: Solve for x
    x = 258,310,798.33/18,500.92
  6. Step 6: Final answer
    x = 13,962.05

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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.