Home / 15,015.60-22,523.40-12,099.60

Finding the Fourth Proportional to 15,015.60, 22,523.40 and 12,099.60

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Solution

The fourth proportional to 15,015.60, 22,523.40 and 12,099.60 is: 18,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,015.60 : 22,523.40 = 12,099.60 : x
  2. Step 2: Convert to fraction form
    15,015.60/22,523.40 = 12,099.60/x
  3. Step 3: Cross multiply
    15,015.60x = 22,523.40 × 12,099.60
  4. Step 4: Simplify right side
    15,015.60x = 272,524,130.64
  5. Step 5: Solve for x
    x = 272,524,130.64/15,015.60
  6. Step 6: Final answer
    x = 18,149.40

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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.