Home / 18,147.22-27,167.35-17,700.10

Finding the Fourth Proportional to 18,147.22, 27,167.35 and 17,700.10

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Solution

The fourth proportional to 18,147.22, 27,167.35 and 17,700.10 is: 26,497.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.22 : 27,167.35 = 17,700.10 : x
  2. Step 2: Convert to fraction form
    18,147.22/27,167.35 = 17,700.10/x
  3. Step 3: Cross multiply
    18,147.22x = 27,167.35 × 17,700.10
  4. Step 4: Simplify right side
    18,147.22x = 480,864,811.74
  5. Step 5: Solve for x
    x = 480,864,811.74/18,147.22
  6. Step 6: Final answer
    x = 26,497.99

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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.