Home / 24,750.83-34,156.60-13,420.71

Finding the Fourth Proportional to 24,750.83, 34,156.60 and 13,420.71

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Solution

The fourth proportional to 24,750.83, 34,156.60 and 13,420.71 is: 18,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,750.83 : 34,156.60 = 13,420.71 : x
  2. Step 2: Convert to fraction form
    24,750.83/34,156.60 = 13,420.71/x
  3. Step 3: Cross multiply
    24,750.83x = 34,156.60 × 13,420.71
  4. Step 4: Simplify right side
    24,750.83x = 458,405,789.63
  5. Step 5: Solve for x
    x = 458,405,789.63/24,750.83
  6. Step 6: Final answer
    x = 18,520.82

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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.