Home / 26,129.51-39,193.72-6,408.17

Finding the Fourth Proportional to 26,129.51, 39,193.72 and 6,408.17

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Solution

The fourth proportional to 26,129.51, 39,193.72 and 6,408.17 is: 9,612.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,129.51 : 39,193.72 = 6,408.17 : x
  2. Step 2: Convert to fraction form
    26,129.51/39,193.72 = 6,408.17/x
  3. Step 3: Cross multiply
    26,129.51x = 39,193.72 × 6,408.17
  4. Step 4: Simplify right side
    26,129.51x = 251,160,020.69
  5. Step 5: Solve for x
    x = 251,160,020.69/26,129.51
  6. Step 6: Final answer
    x = 9,612.12

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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.