Home / 18,321.15-27,482.20-4,994.26

Finding the Fourth Proportional to 18,321.15, 27,482.20 and 4,994.26

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Solution

The fourth proportional to 18,321.15, 27,482.20 and 4,994.26 is: 7,491.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.15 : 27,482.20 = 4,994.26 : x
  2. Step 2: Convert to fraction form
    18,321.15/27,482.20 = 4,994.26/x
  3. Step 3: Cross multiply
    18,321.15x = 27,482.20 × 4,994.26
  4. Step 4: Simplify right side
    18,321.15x = 137,253,252.17
  5. Step 5: Solve for x
    x = 137,253,252.17/18,321.15
  6. Step 6: Final answer
    x = 7,491.52

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.