Home / 22,335.65-30,820.91-13,382.92

Finding the Fourth Proportional to 22,335.65, 30,820.91 and 13,382.92

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Solution

The fourth proportional to 22,335.65, 30,820.91 and 13,382.92 is: 18,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,335.65 : 30,820.91 = 13,382.92 : x
  2. Step 2: Convert to fraction form
    22,335.65/30,820.91 = 13,382.92/x
  3. Step 3: Cross multiply
    22,335.65x = 30,820.91 × 13,382.92
  4. Step 4: Simplify right side
    22,335.65x = 412,473,744.47
  5. Step 5: Solve for x
    x = 412,473,744.47/22,335.65
  6. Step 6: Final answer
    x = 18,467.06

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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.