Home / 27,165.68-40,740.08-13,116.97

Finding the Fourth Proportional to 27,165.68, 40,740.08 and 13,116.97

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Solution

The fourth proportional to 27,165.68, 40,740.08 and 13,116.97 is: 19,671.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,165.68 : 40,740.08 = 13,116.97 : x
  2. Step 2: Convert to fraction form
    27,165.68/40,740.08 = 13,116.97/x
  3. Step 3: Cross multiply
    27,165.68x = 40,740.08 × 13,116.97
  4. Step 4: Simplify right side
    27,165.68x = 534,386,277.92
  5. Step 5: Solve for x
    x = 534,386,277.92/27,165.68
  6. Step 6: Final answer
    x = 19,671.38

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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.