Home / 18,317.52-25,282.26-15,168.24

Finding the Fourth Proportional to 18,317.52, 25,282.26 and 15,168.24

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Solution

The fourth proportional to 18,317.52, 25,282.26 and 15,168.24 is: 20,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.52 : 25,282.26 = 15,168.24 : x
  2. Step 2: Convert to fraction form
    18,317.52/25,282.26 = 15,168.24/x
  3. Step 3: Cross multiply
    18,317.52x = 25,282.26 × 15,168.24
  4. Step 4: Simplify right side
    18,317.52x = 383,487,387.42
  5. Step 5: Solve for x
    x = 383,487,387.42/18,317.52
  6. Step 6: Final answer
    x = 20,935.55

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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.