Home / 26,631.22-39,946.82-9,101.20

Finding the Fourth Proportional to 26,631.22, 39,946.82 and 9,101.20

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Solution

The fourth proportional to 26,631.22, 39,946.82 and 9,101.20 is: 13,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.22 : 39,946.82 = 9,101.20 : x
  2. Step 2: Convert to fraction form
    26,631.22/39,946.82 = 9,101.20/x
  3. Step 3: Cross multiply
    26,631.22x = 39,946.82 × 9,101.20
  4. Step 4: Simplify right side
    26,631.22x = 363,563,998.18
  5. Step 5: Solve for x
    x = 363,563,998.18/26,631.22
  6. Step 6: Final answer
    x = 13,651.80

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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.