Home / 17,072.12-25,608.18-5,386.25

Finding the Fourth Proportional to 17,072.12, 25,608.18 and 5,386.25

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Solution

The fourth proportional to 17,072.12, 25,608.18 and 5,386.25 is: 8,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,072.12 : 25,608.18 = 5,386.25 : x
  2. Step 2: Convert to fraction form
    17,072.12/25,608.18 = 5,386.25/x
  3. Step 3: Cross multiply
    17,072.12x = 25,608.18 × 5,386.25
  4. Step 4: Simplify right side
    17,072.12x = 137,932,059.53
  5. Step 5: Solve for x
    x = 137,932,059.53/17,072.12
  6. Step 6: Final answer
    x = 8,079.38

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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.