Home / 18,550.62-25,570.08-14,565.42

Finding the Fourth Proportional to 18,550.62, 25,570.08 and 14,565.42

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Solution

The fourth proportional to 18,550.62, 25,570.08 and 14,565.42 is: 20,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.62 : 25,570.08 = 14,565.42 : x
  2. Step 2: Convert to fraction form
    18,550.62/25,570.08 = 14,565.42/x
  3. Step 3: Cross multiply
    18,550.62x = 25,570.08 × 14,565.42
  4. Step 4: Simplify right side
    18,550.62x = 372,438,954.63
  5. Step 5: Solve for x
    x = 372,438,954.63/18,550.62
  6. Step 6: Final answer
    x = 20,076.90

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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.