Home / 19,217.03-26,519.45-11,257.65

Finding the Fourth Proportional to 19,217.03, 26,519.45 and 11,257.65

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Solution

The fourth proportional to 19,217.03, 26,519.45 and 11,257.65 is: 15,535.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.03 : 26,519.45 = 11,257.65 : x
  2. Step 2: Convert to fraction form
    19,217.03/26,519.45 = 11,257.65/x
  3. Step 3: Cross multiply
    19,217.03x = 26,519.45 × 11,257.65
  4. Step 4: Simplify right side
    19,217.03x = 298,546,630.00
  5. Step 5: Solve for x
    x = 298,546,630.00/19,217.03
  6. Step 6: Final answer
    x = 15,535.53

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Double scale
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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.