Home / 18,882.04-26,057.45-10,385.09

Finding the Fourth Proportional to 18,882.04, 26,057.45 and 10,385.09

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Solution

The fourth proportional to 18,882.04, 26,057.45 and 10,385.09 is: 14,331.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.04 : 26,057.45 = 10,385.09 : x
  2. Step 2: Convert to fraction form
    18,882.04/26,057.45 = 10,385.09/x
  3. Step 3: Cross multiply
    18,882.04x = 26,057.45 × 10,385.09
  4. Step 4: Simplify right side
    18,882.04x = 270,608,911.50
  5. Step 5: Solve for x
    x = 270,608,911.50/18,882.04
  6. Step 6: Final answer
    x = 14,331.55

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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.