Home / 18,281.68-27,422.38-5,134.06

Finding the Fourth Proportional to 18,281.68, 27,422.38 and 5,134.06

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Solution

The fourth proportional to 18,281.68, 27,422.38 and 5,134.06 is: 7,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.68 : 27,422.38 = 5,134.06 : x
  2. Step 2: Convert to fraction form
    18,281.68/27,422.38 = 5,134.06/x
  3. Step 3: Cross multiply
    18,281.68x = 27,422.38 × 5,134.06
  4. Step 4: Simplify right side
    18,281.68x = 140,788,144.26
  5. Step 5: Solve for x
    x = 140,788,144.26/18,281.68
  6. Step 6: Final answer
    x = 7,701.05

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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.