Home / 24,861.96-34,272.90-20,378.28

Finding the Fourth Proportional to 24,861.96, 34,272.90 and 20,378.28

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Solution

The fourth proportional to 24,861.96, 34,272.90 and 20,378.28 is: 28,092.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,861.96 : 34,272.90 = 20,378.28 : x
  2. Step 2: Convert to fraction form
    24,861.96/34,272.90 = 20,378.28/x
  3. Step 3: Cross multiply
    24,861.96x = 34,272.90 × 20,378.28
  4. Step 4: Simplify right side
    24,861.96x = 698,422,752.61
  5. Step 5: Solve for x
    x = 698,422,752.61/24,861.96
  6. Step 6: Final answer
    x = 28,092.02

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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.