Home / 12,773.10-19,159.65-9,857.10

Finding the Fourth Proportional to 12,773.10, 19,159.65 and 9,857.10

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Solution

The fourth proportional to 12,773.10, 19,159.65 and 9,857.10 is: 14,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773.10 : 19,159.65 = 9,857.10 : x
  2. Step 2: Convert to fraction form
    12,773.10/19,159.65 = 9,857.10/x
  3. Step 3: Cross multiply
    12,773.10x = 19,159.65 × 9,857.10
  4. Step 4: Simplify right side
    12,773.10x = 188,858,586.02
  5. Step 5: Solve for x
    x = 188,858,586.02/12,773.10
  6. Step 6: Final answer
    x = 14,785.65

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Similar ratio
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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.