Home / 26,449.70-39,703.71-13,298.54

Finding the Fourth Proportional to 26,449.70, 39,703.71 and 13,298.54

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Solution

The fourth proportional to 26,449.70, 39,703.71 and 13,298.54 is: 19,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,449.70 : 39,703.71 = 13,298.54 : x
  2. Step 2: Convert to fraction form
    26,449.70/39,703.71 = 13,298.54/x
  3. Step 3: Cross multiply
    26,449.70x = 39,703.71 × 13,298.54
  4. Step 4: Simplify right side
    26,449.70x = 528,001,375.58
  5. Step 5: Solve for x
    x = 528,001,375.58/26,449.70
  6. Step 6: Final answer
    x = 19,962.47

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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.