Home / 19,219.91-26,521.46-11,260.65

Finding the Fourth Proportional to 19,219.91, 26,521.46 and 11,260.65

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Solution

The fourth proportional to 19,219.91, 26,521.46 and 11,260.65 is: 15,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.91 : 26,521.46 = 11,260.65 : x
  2. Step 2: Convert to fraction form
    19,219.91/26,521.46 = 11,260.65/x
  3. Step 3: Cross multiply
    19,219.91x = 26,521.46 × 11,260.65
  4. Step 4: Simplify right side
    19,219.91x = 298,648,822.25
  5. Step 5: Solve for x
    x = 298,648,822.25/19,219.91
  6. Step 6: Final answer
    x = 15,538.51

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Double scale
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Similar ratio
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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.