Home / 15,452.67-21,324.81-9,077.55

Finding the Fourth Proportional to 15,452.67, 21,324.81 and 9,077.55

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Solution

The fourth proportional to 15,452.67, 21,324.81 and 9,077.55 is: 12,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452.67 : 21,324.81 = 9,077.55 : x
  2. Step 2: Convert to fraction form
    15,452.67/21,324.81 = 9,077.55/x
  3. Step 3: Cross multiply
    15,452.67x = 21,324.81 × 9,077.55
  4. Step 4: Simplify right side
    15,452.67x = 193,577,029.02
  5. Step 5: Solve for x
    x = 193,577,029.02/15,452.67
  6. Step 6: Final answer
    x = 12,527.09

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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.