Home / 18,974.88-26,186.40-10,591.68

Finding the Fourth Proportional to 18,974.88, 26,186.40 and 10,591.68

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Solution

The fourth proportional to 18,974.88, 26,186.40 and 10,591.68 is: 14,617.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.88 : 26,186.40 = 10,591.68 : x
  2. Step 2: Convert to fraction form
    18,974.88/26,186.40 = 10,591.68/x
  3. Step 3: Cross multiply
    18,974.88x = 26,186.40 × 10,591.68
  4. Step 4: Simplify right side
    18,974.88x = 277,357,969.15
  5. Step 5: Solve for x
    x = 277,357,969.15/18,974.88
  6. Step 6: Final answer
    x = 14,617.11

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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.