Home / 19,074.20-26,323.08-11,115.14

Finding the Fourth Proportional to 19,074.20, 26,323.08 and 11,115.14

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Solution

The fourth proportional to 19,074.20, 26,323.08 and 11,115.14 is: 15,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.20 : 26,323.08 = 11,115.14 : x
  2. Step 2: Convert to fraction form
    19,074.20/26,323.08 = 11,115.14/x
  3. Step 3: Cross multiply
    19,074.20x = 26,323.08 × 11,115.14
  4. Step 4: Simplify right side
    19,074.20x = 292,584,719.43
  5. Step 5: Solve for x
    x = 292,584,719.43/19,074.20
  6. Step 6: Final answer
    x = 15,339.29

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Half scale
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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.