Home / 18,572.52-27,844.19-12,711.36

Finding the Fourth Proportional to 18,572.52, 27,844.19 and 12,711.36

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Solution

The fourth proportional to 18,572.52, 27,844.19 and 12,711.36 is: 19,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.52 : 27,844.19 = 12,711.36 : x
  2. Step 2: Convert to fraction form
    18,572.52/27,844.19 = 12,711.36/x
  3. Step 3: Cross multiply
    18,572.52x = 27,844.19 × 12,711.36
  4. Step 4: Simplify right side
    18,572.52x = 353,937,459.44
  5. Step 5: Solve for x
    x = 353,937,459.44/18,572.52
  6. Step 6: Final answer
    x = 19,057.05

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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.