Home / 13,412.70-20,110.95-6,015.78

Finding the Fourth Proportional to 13,412.70, 20,110.95 and 6,015.78

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Solution

The fourth proportional to 13,412.70, 20,110.95 and 6,015.78 is: 9,020.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412.70 : 20,110.95 = 6,015.78 : x
  2. Step 2: Convert to fraction form
    13,412.70/20,110.95 = 6,015.78/x
  3. Step 3: Cross multiply
    13,412.70x = 20,110.95 × 6,015.78
  4. Step 4: Simplify right side
    13,412.70x = 120,983,050.79
  5. Step 5: Solve for x
    x = 120,983,050.79/13,412.70
  6. Step 6: Final answer
    x = 9,020.04

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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.