Home / 15,425.74-23,129.88-4,893.76

Finding the Fourth Proportional to 15,425.74, 23,129.88 and 4,893.76

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Solution

The fourth proportional to 15,425.74, 23,129.88 and 4,893.76 is: 7,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,425.74 : 23,129.88 = 4,893.76 : x
  2. Step 2: Convert to fraction form
    15,425.74/23,129.88 = 4,893.76/x
  3. Step 3: Cross multiply
    15,425.74x = 23,129.88 × 4,893.76
  4. Step 4: Simplify right side
    15,425.74x = 113,192,081.55
  5. Step 5: Solve for x
    x = 113,192,081.55/15,425.74
  6. Step 6: Final answer
    x = 7,337.87

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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.