Home / 38,347.20-57,542.40-14,970.60

Finding the Fourth Proportional to 38,347.20, 57,542.40 and 14,970.60

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Solution

The fourth proportional to 38,347.20, 57,542.40 and 14,970.60 is: 22,464.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,347.20 : 57,542.40 = 14,970.60 : x
  2. Step 2: Convert to fraction form
    38,347.20/57,542.40 = 14,970.60/x
  3. Step 3: Cross multiply
    38,347.20x = 57,542.40 × 14,970.60
  4. Step 4: Simplify right side
    38,347.20x = 861,444,253.44
  5. Step 5: Solve for x
    x = 861,444,253.44/38,347.20
  6. Step 6: Final answer
    x = 22,464.33

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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.