Home / 22,780.19-34,175.24-6,985.28

Finding the Fourth Proportional to 22,780.19, 34,175.24 and 6,985.28

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Solution

The fourth proportional to 22,780.19, 34,175.24 and 6,985.28 is: 10,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,780.19 : 34,175.24 = 6,985.28 : x
  2. Step 2: Convert to fraction form
    22,780.19/34,175.24 = 6,985.28/x
  3. Step 3: Cross multiply
    22,780.19x = 34,175.24 × 6,985.28
  4. Step 4: Simplify right side
    22,780.19x = 238,723,585.54
  5. Step 5: Solve for x
    x = 238,723,585.54/22,780.19
  6. Step 6: Final answer
    x = 10,479.44

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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.