Home / 19,687.66-27,110.90-17,591.02

Finding the Fourth Proportional to 19,687.66, 27,110.90 and 17,591.02

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Solution

The fourth proportional to 19,687.66, 27,110.90 and 17,591.02 is: 24,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.66 : 27,110.90 = 17,591.02 : x
  2. Step 2: Convert to fraction form
    19,687.66/27,110.90 = 17,591.02/x
  3. Step 3: Cross multiply
    19,687.66x = 27,110.90 × 17,591.02
  4. Step 4: Simplify right side
    19,687.66x = 476,908,384.12
  5. Step 5: Solve for x
    x = 476,908,384.12/19,687.66
  6. Step 6: Final answer
    x = 24,223.72

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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.