Home / 15,947.08-22,015.60-11,181.65

Finding the Fourth Proportional to 15,947.08, 22,015.60 and 11,181.65

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Solution

The fourth proportional to 15,947.08, 22,015.60 and 11,181.65 is: 15,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947.08 : 22,015.60 = 11,181.65 : x
  2. Step 2: Convert to fraction form
    15,947.08/22,015.60 = 11,181.65/x
  3. Step 3: Cross multiply
    15,947.08x = 22,015.60 × 11,181.65
  4. Step 4: Simplify right side
    15,947.08x = 246,170,595.71
  5. Step 5: Solve for x
    x = 246,170,595.71/15,947.08
  6. Step 6: Final answer
    x = 15,436.72

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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.