Home / 18,292.74-25,243.90-9,909.24

Finding the Fourth Proportional to 18,292.74, 25,243.90 and 9,909.24

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Solution

The fourth proportional to 18,292.74, 25,243.90 and 9,909.24 is: 13,674.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.74 : 25,243.90 = 9,909.24 : x
  2. Step 2: Convert to fraction form
    18,292.74/25,243.90 = 9,909.24/x
  3. Step 3: Cross multiply
    18,292.74x = 25,243.90 × 9,909.24
  4. Step 4: Simplify right side
    18,292.74x = 250,147,838.86
  5. Step 5: Solve for x
    x = 250,147,838.86/18,292.74
  6. Step 6: Final answer
    x = 13,674.71

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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.