Home / 15,088.20-20,841.96-11,595.04

Finding the Fourth Proportional to 15,088.20, 20,841.96 and 11,595.04

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Solution

The fourth proportional to 15,088.20, 20,841.96 and 11,595.04 is: 16,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,088.20 : 20,841.96 = 11,595.04 : x
  2. Step 2: Convert to fraction form
    15,088.20/20,841.96 = 11,595.04/x
  3. Step 3: Cross multiply
    15,088.20x = 20,841.96 × 11,595.04
  4. Step 4: Simplify right side
    15,088.20x = 241,663,359.88
  5. Step 5: Solve for x
    x = 241,663,359.88/15,088.20
  6. Step 6: Final answer
    x = 16,016.71

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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.