Home / 38,291.14-57,436.80-14,917.60

Finding the Fourth Proportional to 38,291.14, 57,436.80 and 14,917.60

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Solution

The fourth proportional to 38,291.14, 57,436.80 and 14,917.60 is: 22,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,291.14 : 57,436.80 = 14,917.60 : x
  2. Step 2: Convert to fraction form
    38,291.14/57,436.80 = 14,917.60/x
  3. Step 3: Cross multiply
    38,291.14x = 57,436.80 × 14,917.60
  4. Step 4: Simplify right side
    38,291.14x = 856,819,207.68
  5. Step 5: Solve for x
    x = 856,819,207.68/38,291.14
  6. Step 6: Final answer
    x = 22,376.44

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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.