Home / 26,450.60-39,686.21-11,649.11

Finding the Fourth Proportional to 26,450.60, 39,686.21 and 11,649.11

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Solution

The fourth proportional to 26,450.60, 39,686.21 and 11,649.11 is: 17,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,450.60 : 39,686.21 = 11,649.11 : x
  2. Step 2: Convert to fraction form
    26,450.60/39,686.21 = 11,649.11/x
  3. Step 3: Cross multiply
    26,450.60x = 39,686.21 × 11,649.11
  4. Step 4: Simplify right side
    26,450.60x = 462,308,856.46
  5. Step 5: Solve for x
    x = 462,308,856.46/26,450.60
  6. Step 6: Final answer
    x = 17,478.20

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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.