Home / 17,996.18-26,984.91-8,130.74

Finding the Fourth Proportional to 17,996.18, 26,984.91 and 8,130.74

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Solution

The fourth proportional to 17,996.18, 26,984.91 and 8,130.74 is: 12,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,996.18 : 26,984.91 = 8,130.74 : x
  2. Step 2: Convert to fraction form
    17,996.18/26,984.91 = 8,130.74/x
  3. Step 3: Cross multiply
    17,996.18x = 26,984.91 × 8,130.74
  4. Step 4: Simplify right side
    17,996.18x = 219,407,287.13
  5. Step 5: Solve for x
    x = 219,407,287.13/17,996.18
  6. Step 6: Final answer
    x = 12,191.88

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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.