Home / 15,947.66-22,006.40-8,873.94

Finding the Fourth Proportional to 15,947.66, 22,006.40 and 8,873.94

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Solution

The fourth proportional to 15,947.66, 22,006.40 and 8,873.94 is: 12,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947.66 : 22,006.40 = 8,873.94 : x
  2. Step 2: Convert to fraction form
    15,947.66/22,006.40 = 8,873.94/x
  3. Step 3: Cross multiply
    15,947.66x = 22,006.40 × 8,873.94
  4. Step 4: Simplify right side
    15,947.66x = 195,283,473.22
  5. Step 5: Solve for x
    x = 195,283,473.22/15,947.66
  6. Step 6: Final answer
    x = 12,245.27

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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.