Home / 16,412.20-24,618.30-12,475.60

Finding the Fourth Proportional to 16,412.20, 24,618.30 and 12,475.60

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Solution

The fourth proportional to 16,412.20, 24,618.30 and 12,475.60 is: 18,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,412.20 : 24,618.30 = 12,475.60 : x
  2. Step 2: Convert to fraction form
    16,412.20/24,618.30 = 12,475.60/x
  3. Step 3: Cross multiply
    16,412.20x = 24,618.30 × 12,475.60
  4. Step 4: Simplify right side
    16,412.20x = 307,128,063.48
  5. Step 5: Solve for x
    x = 307,128,063.48/16,412.20
  6. Step 6: Final answer
    x = 18,713.40

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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.