Home / 18,214.24-25,132.31-10,147.68

Finding the Fourth Proportional to 18,214.24, 25,132.31 and 10,147.68

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Solution

The fourth proportional to 18,214.24, 25,132.31 and 10,147.68 is: 14,001.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.24 : 25,132.31 = 10,147.68 : x
  2. Step 2: Convert to fraction form
    18,214.24/25,132.31 = 10,147.68/x
  3. Step 3: Cross multiply
    18,214.24x = 25,132.31 × 10,147.68
  4. Step 4: Simplify right side
    18,214.24x = 255,034,588.80
  5. Step 5: Solve for x
    x = 255,034,588.80/18,214.24
  6. Step 6: Final answer
    x = 14,001.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.