Home / 22,780.55-34,175.83-6,987.75

Finding the Fourth Proportional to 22,780.55, 34,175.83 and 6,987.75

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Solution

The fourth proportional to 22,780.55, 34,175.83 and 6,987.75 is: 10,483.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,780.55 : 34,175.83 = 6,987.75 : x
  2. Step 2: Convert to fraction form
    22,780.55/34,175.83 = 6,987.75/x
  3. Step 3: Cross multiply
    22,780.55x = 34,175.83 × 6,987.75
  4. Step 4: Simplify right side
    22,780.55x = 238,812,156.08
  5. Step 5: Solve for x
    x = 238,812,156.08/22,780.55
  6. Step 6: Final answer
    x = 10,483.16

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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.