Home / 13,167.60-19,731.48-5,767.92

Finding the Fourth Proportional to 13,167.60, 19,731.48 and 5,767.92

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Solution

The fourth proportional to 13,167.60, 19,731.48 and 5,767.92 is: 8,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.60 : 19,731.48 = 5,767.92 : x
  2. Step 2: Convert to fraction form
    13,167.60/19,731.48 = 5,767.92/x
  3. Step 3: Cross multiply
    13,167.60x = 19,731.48 × 5,767.92
  4. Step 4: Simplify right side
    13,167.60x = 113,809,598.12
  5. Step 5: Solve for x
    x = 113,809,598.12/13,167.60
  6. Step 6: Final answer
    x = 8,643.15

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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.