Home / 13,456.72-20,178.14-6,054.88

Finding the Fourth Proportional to 13,456.72, 20,178.14 and 6,054.88

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Solution

The fourth proportional to 13,456.72, 20,178.14 and 6,054.88 is: 9,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456.72 : 20,178.14 = 6,054.88 : x
  2. Step 2: Convert to fraction form
    13,456.72/20,178.14 = 6,054.88/x
  3. Step 3: Cross multiply
    13,456.72x = 20,178.14 × 6,054.88
  4. Step 4: Simplify right side
    13,456.72x = 122,176,216.32
  5. Step 5: Solve for x
    x = 122,176,216.32/13,456.72
  6. Step 6: Final answer
    x = 9,079.20

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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.