Home / 26,949.18-40,405.14-11,948.10

Finding the Fourth Proportional to 26,949.18, 40,405.14 and 11,948.10

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Solution

The fourth proportional to 26,949.18, 40,405.14 and 11,948.10 is: 17,913.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,949.18 : 40,405.14 = 11,948.10 : x
  2. Step 2: Convert to fraction form
    26,949.18/40,405.14 = 11,948.10/x
  3. Step 3: Cross multiply
    26,949.18x = 40,405.14 × 11,948.10
  4. Step 4: Simplify right side
    26,949.18x = 482,764,653.23
  5. Step 5: Solve for x
    x = 482,764,653.23/26,949.18
  6. Step 6: Final answer
    x = 17,913.89

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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.