Home / 18,976.38-26,187.25-10,479.07

Finding the Fourth Proportional to 18,976.38, 26,187.25 and 10,479.07

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Solution

The fourth proportional to 18,976.38, 26,187.25 and 10,479.07 is: 14,461.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.38 : 26,187.25 = 10,479.07 : x
  2. Step 2: Convert to fraction form
    18,976.38/26,187.25 = 10,479.07/x
  3. Step 3: Cross multiply
    18,976.38x = 26,187.25 × 10,479.07
  4. Step 4: Simplify right side
    18,976.38x = 274,418,052.04
  5. Step 5: Solve for x
    x = 274,418,052.04/18,976.38
  6. Step 6: Final answer
    x = 14,461.04

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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.