Home / 18,711.35-25,831.23-14,452.88

Finding the Fourth Proportional to 18,711.35, 25,831.23 and 14,452.88

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Solution

The fourth proportional to 18,711.35, 25,831.23 and 14,452.88 is: 19,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711.35 : 25,831.23 = 14,452.88 : x
  2. Step 2: Convert to fraction form
    18,711.35/25,831.23 = 14,452.88/x
  3. Step 3: Cross multiply
    18,711.35x = 25,831.23 × 14,452.88
  4. Step 4: Simplify right side
    18,711.35x = 373,335,667.44
  5. Step 5: Solve for x
    x = 373,335,667.44/18,711.35
  6. Step 6: Final answer
    x = 19,952.36

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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.