Home / 26,799.12-36,988.74-17,351.28

Finding the Fourth Proportional to 26,799.12, 36,988.74 and 17,351.28

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Solution

The fourth proportional to 26,799.12, 36,988.74 and 17,351.28 is: 23,948.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,799.12 : 36,988.74 = 17,351.28 : x
  2. Step 2: Convert to fraction form
    26,799.12/36,988.74 = 17,351.28/x
  3. Step 3: Cross multiply
    26,799.12x = 36,988.74 × 17,351.28
  4. Step 4: Simplify right side
    26,799.12x = 641,801,984.59
  5. Step 5: Solve for x
    x = 641,801,984.59/26,799.12
  6. Step 6: Final answer
    x = 23,948.62

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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.