Home / 15,891.04-23,836.56-5,497.12

Finding the Fourth Proportional to 15,891.04, 23,836.56 and 5,497.12

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Solution

The fourth proportional to 15,891.04, 23,836.56 and 5,497.12 is: 8,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,891.04 : 23,836.56 = 5,497.12 : x
  2. Step 2: Convert to fraction form
    15,891.04/23,836.56 = 5,497.12/x
  3. Step 3: Cross multiply
    15,891.04x = 23,836.56 × 5,497.12
  4. Step 4: Simplify right side
    15,891.04x = 131,032,430.71
  5. Step 5: Solve for x
    x = 131,032,430.71/15,891.04
  6. Step 6: Final answer
    x = 8,245.68

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