Home / 22,777.39-34,166.31-7,986.66

Finding the Fourth Proportional to 22,777.39, 34,166.31 and 7,986.66

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Solution

The fourth proportional to 22,777.39, 34,166.31 and 7,986.66 is: 11,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,777.39 : 34,166.31 = 7,986.66 : x
  2. Step 2: Convert to fraction form
    22,777.39/34,166.31 = 7,986.66/x
  3. Step 3: Cross multiply
    22,777.39x = 34,166.31 × 7,986.66
  4. Step 4: Simplify right side
    22,777.39x = 272,874,701.42
  5. Step 5: Solve for x
    x = 272,874,701.42/22,777.39
  6. Step 6: Final answer
    x = 11,980.07

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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.