Home / 25,251.70-37,881.20-7,722.90

Finding the Fourth Proportional to 25,251.70, 37,881.20 and 7,722.90

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Solution

The fourth proportional to 25,251.70, 37,881.20 and 7,722.90 is: 11,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.70 : 37,881.20 = 7,722.90 : x
  2. Step 2: Convert to fraction form
    25,251.70/37,881.20 = 7,722.90/x
  3. Step 3: Cross multiply
    25,251.70x = 37,881.20 × 7,722.90
  4. Step 4: Simplify right side
    25,251.70x = 292,552,719.48
  5. Step 5: Solve for x
    x = 292,552,719.48/25,251.70
  6. Step 6: Final answer
    x = 11,585.47

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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.