Home / 18,206.40-25,124.28-10,249.04

Finding the Fourth Proportional to 18,206.40, 25,124.28 and 10,249.04

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Solution

The fourth proportional to 18,206.40, 25,124.28 and 10,249.04 is: 14,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.40 : 25,124.28 = 10,249.04 : x
  2. Step 2: Convert to fraction form
    18,206.40/25,124.28 = 10,249.04/x
  3. Step 3: Cross multiply
    18,206.40x = 25,124.28 × 10,249.04
  4. Step 4: Simplify right side
    18,206.40x = 257,499,750.69
  5. Step 5: Solve for x
    x = 257,499,750.69/18,206.40
  6. Step 6: Final answer
    x = 14,143.36

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Half scale
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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.