Home / 18,070.90-27,108.92-5,591.99

Finding the Fourth Proportional to 18,070.90, 27,108.92 and 5,591.99

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Solution

The fourth proportional to 18,070.90, 27,108.92 and 5,591.99 is: 8,388.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.90 : 27,108.92 = 5,591.99 : x
  2. Step 2: Convert to fraction form
    18,070.90/27,108.92 = 5,591.99/x
  3. Step 3: Cross multiply
    18,070.90x = 27,108.92 × 5,591.99
  4. Step 4: Simplify right side
    18,070.90x = 151,592,687.99
  5. Step 5: Solve for x
    x = 151,592,687.99/18,070.90
  6. Step 6: Final answer
    x = 8,388.77

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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.