Home / 25,640.40-38,374.20-23,566.80

Finding the Fourth Proportional to 25,640.40, 38,374.20 and 23,566.80

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Solution

The fourth proportional to 25,640.40, 38,374.20 and 23,566.80 is: 35,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640.40 : 38,374.20 = 23,566.80 : x
  2. Step 2: Convert to fraction form
    25,640.40/38,374.20 = 23,566.80/x
  3. Step 3: Cross multiply
    25,640.40x = 38,374.20 × 23,566.80
  4. Step 4: Simplify right side
    25,640.40x = 904,357,096.56
  5. Step 5: Solve for x
    x = 904,357,096.56/25,640.40
  6. Step 6: Final answer
    x = 35,270.79

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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.