Home / 26,101.88-39,201.11-13,630.51

Finding the Fourth Proportional to 26,101.88, 39,201.11 and 13,630.51

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Solution

The fourth proportional to 26,101.88, 39,201.11 and 13,630.51 is: 20,470.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,101.88 : 39,201.11 = 13,630.51 : x
  2. Step 2: Convert to fraction form
    26,101.88/39,201.11 = 13,630.51/x
  3. Step 3: Cross multiply
    26,101.88x = 39,201.11 × 13,630.51
  4. Step 4: Simplify right side
    26,101.88x = 534,330,857.71
  5. Step 5: Solve for x
    x = 534,330,857.71/26,101.88
  6. Step 6: Final answer
    x = 20,470.98

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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.