Home / 18,208.52-27,312.78-5,060.90

Finding the Fourth Proportional to 18,208.52, 27,312.78 and 5,060.90

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Solution

The fourth proportional to 18,208.52, 27,312.78 and 5,060.90 is: 7,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.52 : 27,312.78 = 5,060.90 : x
  2. Step 2: Convert to fraction form
    18,208.52/27,312.78 = 5,060.90/x
  3. Step 3: Cross multiply
    18,208.52x = 27,312.78 × 5,060.90
  4. Step 4: Simplify right side
    18,208.52x = 138,227,248.30
  5. Step 5: Solve for x
    x = 138,227,248.30/18,208.52
  6. Step 6: Final answer
    x = 7,591.35

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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.