Home / 18,501.91-27,753.15-5,354.32

Finding the Fourth Proportional to 18,501.91, 27,753.15 and 5,354.32

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Solution

The fourth proportional to 18,501.91, 27,753.15 and 5,354.32 is: 8,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.91 : 27,753.15 = 5,354.32 : x
  2. Step 2: Convert to fraction form
    18,501.91/27,753.15 = 5,354.32/x
  3. Step 3: Cross multiply
    18,501.91x = 27,753.15 × 5,354.32
  4. Step 4: Simplify right side
    18,501.91x = 148,599,246.11
  5. Step 5: Solve for x
    x = 148,599,246.11/18,501.91
  6. Step 6: Final answer
    x = 8,031.56

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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.