Home / 15,325.36-21,149.53-8,610.84

Finding the Fourth Proportional to 15,325.36, 21,149.53 and 8,610.84

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Solution

The fourth proportional to 15,325.36, 21,149.53 and 8,610.84 is: 11,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,325.36 : 21,149.53 = 8,610.84 : x
  2. Step 2: Convert to fraction form
    15,325.36/21,149.53 = 8,610.84/x
  3. Step 3: Cross multiply
    15,325.36x = 21,149.53 × 8,610.84
  4. Step 4: Simplify right side
    15,325.36x = 182,115,197.38
  5. Step 5: Solve for x
    x = 182,115,197.38/15,325.36
  6. Step 6: Final answer
    x = 11,883.26

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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.