Home / 24,786.81-34,219.13-19,109.12

Finding the Fourth Proportional to 24,786.81, 34,219.13 and 19,109.12

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Solution

The fourth proportional to 24,786.81, 34,219.13 and 19,109.12 is: 26,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,786.81 : 34,219.13 = 19,109.12 : x
  2. Step 2: Convert to fraction form
    24,786.81/34,219.13 = 19,109.12/x
  3. Step 3: Cross multiply
    24,786.81x = 34,219.13 × 19,109.12
  4. Step 4: Simplify right side
    24,786.81x = 653,897,194.82
  5. Step 5: Solve for x
    x = 653,897,194.82/24,786.81
  6. Step 6: Final answer
    x = 26,380.85

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Half scale
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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.