Home / 15,459.20-23,189.16-3,772.64

Finding the Fourth Proportional to 15,459.20, 23,189.16 and 3,772.64

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Solution

The fourth proportional to 15,459.20, 23,189.16 and 3,772.64 is: 5,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459.20 : 23,189.16 = 3,772.64 : x
  2. Step 2: Convert to fraction form
    15,459.20/23,189.16 = 3,772.64/x
  3. Step 3: Cross multiply
    15,459.20x = 23,189.16 × 3,772.64
  4. Step 4: Simplify right side
    15,459.20x = 87,484,352.58
  5. Step 5: Solve for x
    x = 87,484,352.58/15,459.20
  6. Step 6: Final answer
    x = 5,659.05

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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.