Home / 15,077.38-22,615.80-6,190.78

Finding the Fourth Proportional to 15,077.38, 22,615.80 and 6,190.78

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Solution

The fourth proportional to 15,077.38, 22,615.80 and 6,190.78 is: 9,286.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.38 : 22,615.80 = 6,190.78 : x
  2. Step 2: Convert to fraction form
    15,077.38/22,615.80 = 6,190.78/x
  3. Step 3: Cross multiply
    15,077.38x = 22,615.80 × 6,190.78
  4. Step 4: Simplify right side
    15,077.38x = 140,009,442.32
  5. Step 5: Solve for x
    x = 140,009,442.32/15,077.38
  6. Step 6: Final answer
    x = 9,286.06

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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.