Home / 26,498.88-39,747.78-10,905.84

Finding the Fourth Proportional to 26,498.88, 39,747.78 and 10,905.84

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Solution

The fourth proportional to 26,498.88, 39,747.78 and 10,905.84 is: 16,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,498.88 : 39,747.78 = 10,905.84 : x
  2. Step 2: Convert to fraction form
    26,498.88/39,747.78 = 10,905.84/x
  3. Step 3: Cross multiply
    26,498.88x = 39,747.78 × 10,905.84
  4. Step 4: Simplify right side
    26,498.88x = 433,482,929.04
  5. Step 5: Solve for x
    x = 433,482,929.04/26,498.88
  6. Step 6: Final answer
    x = 16,358.54

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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.