Home / 15,645.70-23,468.35-3,799.57

Finding the Fourth Proportional to 15,645.70, 23,468.35 and 3,799.57

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Solution

The fourth proportional to 15,645.70, 23,468.35 and 3,799.57 is: 5,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.70 : 23,468.35 = 3,799.57 : x
  2. Step 2: Convert to fraction form
    15,645.70/23,468.35 = 3,799.57/x
  3. Step 3: Cross multiply
    15,645.70x = 23,468.35 × 3,799.57
  4. Step 4: Simplify right side
    15,645.70x = 89,169,629.11
  5. Step 5: Solve for x
    x = 89,169,629.11/15,645.70
  6. Step 6: Final answer
    x = 5,699.31

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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.