Home / 18,214.48-25,134.12-13,437.02

Finding the Fourth Proportional to 18,214.48, 25,134.12 and 13,437.02

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Solution

The fourth proportional to 18,214.48, 25,134.12 and 13,437.02 is: 18,541.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.48 : 25,134.12 = 13,437.02 : x
  2. Step 2: Convert to fraction form
    18,214.48/25,134.12 = 13,437.02/x
  3. Step 3: Cross multiply
    18,214.48x = 25,134.12 × 13,437.02
  4. Step 4: Simplify right side
    18,214.48x = 337,727,673.12
  5. Step 5: Solve for x
    x = 337,727,673.12/18,214.48
  6. Step 6: Final answer
    x = 18,541.71

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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.