Home / 15,975.54-22,046.39-8,805.71

Finding the Fourth Proportional to 15,975.54, 22,046.39 and 8,805.71

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Solution

The fourth proportional to 15,975.54, 22,046.39 and 8,805.71 is: 12,151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,975.54 : 22,046.39 = 8,805.71 : x
  2. Step 2: Convert to fraction form
    15,975.54/22,046.39 = 8,805.71/x
  3. Step 3: Cross multiply
    15,975.54x = 22,046.39 × 8,805.71
  4. Step 4: Simplify right side
    15,975.54x = 194,134,161.00
  5. Step 5: Solve for x
    x = 194,134,161.00/15,975.54
  6. Step 6: Final answer
    x = 12,151.96

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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.