Home / 14,964.87-20,652.40-8,251.93

Finding the Fourth Proportional to 14,964.87, 20,652.40 and 8,251.93

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Solution

The fourth proportional to 14,964.87, 20,652.40 and 8,251.93 is: 11,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.87 : 20,652.40 = 8,251.93 : x
  2. Step 2: Convert to fraction form
    14,964.87/20,652.40 = 8,251.93/x
  3. Step 3: Cross multiply
    14,964.87x = 20,652.40 × 8,251.93
  4. Step 4: Simplify right side
    14,964.87x = 170,422,159.13
  5. Step 5: Solve for x
    x = 170,422,159.13/14,964.87
  6. Step 6: Final answer
    x = 11,388.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.