Home / 27,813.17-38,382.00-15,066.15

Finding the Fourth Proportional to 27,813.17, 38,382.00 and 15,066.15

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Solution

The fourth proportional to 27,813.17, 38,382.00 and 15,066.15 is: 20,791.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,813.17 : 38,382.00 = 15,066.15 : x
  2. Step 2: Convert to fraction form
    27,813.17/38,382.00 = 15,066.15/x
  3. Step 3: Cross multiply
    27,813.17x = 38,382.00 × 15,066.15
  4. Step 4: Simplify right side
    27,813.17x = 578,269,069.52
  5. Step 5: Solve for x
    x = 578,269,069.52/27,813.17
  6. Step 6: Final answer
    x = 20,791.19

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1.5x scale

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.