Home / 22,309.32-33,480.19-17,979.06

Finding the Fourth Proportional to 22,309.32, 33,480.19 and 17,979.06

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Solution

The fourth proportional to 22,309.32, 33,480.19 and 17,979.06 is: 26,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,309.32 : 33,480.19 = 17,979.06 : x
  2. Step 2: Convert to fraction form
    22,309.32/33,480.19 = 17,979.06/x
  3. Step 3: Cross multiply
    22,309.32x = 33,480.19 × 17,979.06
  4. Step 4: Simplify right side
    22,309.32x = 601,942,391.71
  5. Step 5: Solve for x
    x = 601,942,391.71/22,309.32
  6. Step 6: Final answer
    x = 26,981.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.