Home / 26,643.38-36,763.67-15,310.68

Finding the Fourth Proportional to 26,643.38, 36,763.67 and 15,310.68

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Solution

The fourth proportional to 26,643.38, 36,763.67 and 15,310.68 is: 21,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,643.38 : 36,763.67 = 15,310.68 : x
  2. Step 2: Convert to fraction form
    26,643.38/36,763.67 = 15,310.68/x
  3. Step 3: Cross multiply
    26,643.38x = 36,763.67 × 15,310.68
  4. Step 4: Simplify right side
    26,643.38x = 562,876,787.00
  5. Step 5: Solve for x
    x = 562,876,787.00/26,643.38
  6. Step 6: Final answer
    x = 21,126.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.