Home / 15,525.28-23,286.30-4,431.25

Finding the Fourth Proportional to 15,525.28, 23,286.30 and 4,431.25

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Solution

The fourth proportional to 15,525.28, 23,286.30 and 4,431.25 is: 6,646.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,525.28 : 23,286.30 = 4,431.25 : x
  2. Step 2: Convert to fraction form
    15,525.28/23,286.30 = 4,431.25/x
  3. Step 3: Cross multiply
    15,525.28x = 23,286.30 × 4,431.25
  4. Step 4: Simplify right side
    15,525.28x = 103,187,416.88
  5. Step 5: Solve for x
    x = 103,187,416.88/15,525.28
  6. Step 6: Final answer
    x = 6,646.41

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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.