Home / 15,451.65-23,183.73-5,591.70

Finding the Fourth Proportional to 15,451.65, 23,183.73 and 5,591.70

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Solution

The fourth proportional to 15,451.65, 23,183.73 and 5,591.70 is: 8,389.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.65 : 23,183.73 = 5,591.70 : x
  2. Step 2: Convert to fraction form
    15,451.65/23,183.73 = 5,591.70/x
  3. Step 3: Cross multiply
    15,451.65x = 23,183.73 × 5,591.70
  4. Step 4: Simplify right side
    15,451.65x = 129,636,463.04
  5. Step 5: Solve for x
    x = 129,636,463.04/15,451.65
  6. Step 6: Final answer
    x = 8,389.81

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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.