Home / 26,081.82-39,130.53-18,497.72

Finding the Fourth Proportional to 26,081.82, 39,130.53 and 18,497.72

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Solution

The fourth proportional to 26,081.82, 39,130.53 and 18,497.72 is: 27,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,081.82 : 39,130.53 = 18,497.72 : x
  2. Step 2: Convert to fraction form
    26,081.82/39,130.53 = 18,497.72/x
  3. Step 3: Cross multiply
    26,081.82x = 39,130.53 × 18,497.72
  4. Step 4: Simplify right side
    26,081.82x = 723,825,587.39
  5. Step 5: Solve for x
    x = 723,825,587.39/26,081.82
  6. Step 6: Final answer
    x = 27,752.11

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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.