Home / 15,770.58-21,766.56-9,060.82

Finding the Fourth Proportional to 15,770.58, 21,766.56 and 9,060.82

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Solution

The fourth proportional to 15,770.58, 21,766.56 and 9,060.82 is: 12,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770.58 : 21,766.56 = 9,060.82 : x
  2. Step 2: Convert to fraction form
    15,770.58/21,766.56 = 9,060.82/x
  3. Step 3: Cross multiply
    15,770.58x = 21,766.56 × 9,060.82
  4. Step 4: Simplify right side
    15,770.58x = 197,222,882.18
  5. Step 5: Solve for x
    x = 197,222,882.18/15,770.58
  6. Step 6: Final answer
    x = 12,505.75

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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.