Home / 26,480.13-39,719.94-6,758.40

Finding the Fourth Proportional to 26,480.13, 39,719.94 and 6,758.40

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Solution

The fourth proportional to 26,480.13, 39,719.94 and 6,758.40 is: 10,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.13 : 39,719.94 = 6,758.40 : x
  2. Step 2: Convert to fraction form
    26,480.13/39,719.94 = 6,758.40/x
  3. Step 3: Cross multiply
    26,480.13x = 39,719.94 × 6,758.40
  4. Step 4: Simplify right side
    26,480.13x = 268,443,242.50
  5. Step 5: Solve for x
    x = 268,443,242.50/26,480.13
  6. Step 6: Final answer
    x = 10,137.53

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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.