Home / 26,508.12-39,749.46-15,417.78

Finding the Fourth Proportional to 26,508.12, 39,749.46 and 15,417.78

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Solution

The fourth proportional to 26,508.12, 39,749.46 and 15,417.78 is: 23,119.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,508.12 : 39,749.46 = 15,417.78 : x
  2. Step 2: Convert to fraction form
    26,508.12/39,749.46 = 15,417.78/x
  3. Step 3: Cross multiply
    26,508.12x = 39,749.46 × 15,417.78
  4. Step 4: Simplify right side
    26,508.12x = 612,848,429.40
  5. Step 5: Solve for x
    x = 612,848,429.40/26,508.12
  6. Step 6: Final answer
    x = 23,119.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.