Home / 19,189.60-26,481.16-10,691.76

Finding the Fourth Proportional to 19,189.60, 26,481.16 and 10,691.76

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Solution

The fourth proportional to 19,189.60, 26,481.16 and 10,691.76 is: 14,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.60 : 26,481.16 = 10,691.76 : x
  2. Step 2: Convert to fraction form
    19,189.60/26,481.16 = 10,691.76/x
  3. Step 3: Cross multiply
    19,189.60x = 26,481.16 × 10,691.76
  4. Step 4: Simplify right side
    19,189.60x = 283,130,207.24
  5. Step 5: Solve for x
    x = 283,130,207.24/19,189.60
  6. Step 6: Final answer
    x = 14,754.36

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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.