Home / 18,148.80-27,177.12-9,923.52

Finding the Fourth Proportional to 18,148.80, 27,177.12 and 9,923.52

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Solution

The fourth proportional to 18,148.80, 27,177.12 and 9,923.52 is: 14,860.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.80 : 27,177.12 = 9,923.52 : x
  2. Step 2: Convert to fraction form
    18,148.80/27,177.12 = 9,923.52/x
  3. Step 3: Cross multiply
    18,148.80x = 27,177.12 × 9,923.52
  4. Step 4: Simplify right side
    18,148.80x = 269,692,693.86
  5. Step 5: Solve for x
    x = 269,692,693.86/18,148.80
  6. Step 6: Final answer
    x = 14,860.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.