Home / 18,972.75-26,182.94-10,589.79

Finding the Fourth Proportional to 18,972.75, 26,182.94 and 10,589.79

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Solution

The fourth proportional to 18,972.75, 26,182.94 and 10,589.79 is: 14,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972.75 : 26,182.94 = 10,589.79 : x
  2. Step 2: Convert to fraction form
    18,972.75/26,182.94 = 10,589.79/x
  3. Step 3: Cross multiply
    18,972.75x = 26,182.94 × 10,589.79
  4. Step 4: Simplify right side
    18,972.75x = 277,271,836.18
  5. Step 5: Solve for x
    x = 277,271,836.18/18,972.75
  6. Step 6: Final answer
    x = 14,614.21

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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.