Home / 24,219.48-36,326.52-8,421.78

Finding the Fourth Proportional to 24,219.48, 36,326.52 and 8,421.78

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Solution

The fourth proportional to 24,219.48, 36,326.52 and 8,421.78 is: 12,631.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,219.48 : 36,326.52 = 8,421.78 : x
  2. Step 2: Convert to fraction form
    24,219.48/36,326.52 = 8,421.78/x
  3. Step 3: Cross multiply
    24,219.48x = 36,326.52 × 8,421.78
  4. Step 4: Simplify right side
    24,219.48x = 305,933,959.61
  5. Step 5: Solve for x
    x = 305,933,959.61/24,219.48
  6. Step 6: Final answer
    x = 12,631.73

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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.