Home / 22,781.75-34,173.65-6,985.62

Finding the Fourth Proportional to 22,781.75, 34,173.65 and 6,985.62

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Solution

The fourth proportional to 22,781.75, 34,173.65 and 6,985.62 is: 10,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,781.75 : 34,173.65 = 6,985.62 : x
  2. Step 2: Convert to fraction form
    22,781.75/34,173.65 = 6,985.62/x
  3. Step 3: Cross multiply
    22,781.75x = 34,173.65 × 6,985.62
  4. Step 4: Simplify right side
    22,781.75x = 238,724,150.38
  5. Step 5: Solve for x
    x = 238,724,150.38/22,781.75
  6. Step 6: Final answer
    x = 10,478.75

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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.