Home / 15,348.70-23,008.65-12,015.10

Finding the Fourth Proportional to 15,348.70, 23,008.65 and 12,015.10

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Solution

The fourth proportional to 15,348.70, 23,008.65 and 12,015.10 is: 18,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,348.70 : 23,008.65 = 12,015.10 : x
  2. Step 2: Convert to fraction form
    15,348.70/23,008.65 = 12,015.10/x
  3. Step 3: Cross multiply
    15,348.70x = 23,008.65 × 12,015.10
  4. Step 4: Simplify right side
    15,348.70x = 276,451,230.62
  5. Step 5: Solve for x
    x = 276,451,230.62/15,348.70
  6. Step 6: Final answer
    x = 18,011.38

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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.