Home / 13,610.65-20,416.56-4,250.84

Finding the Fourth Proportional to 13,610.65, 20,416.56 and 4,250.84

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Solution

The fourth proportional to 13,610.65, 20,416.56 and 4,250.84 is: 6,376.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.65 : 20,416.56 = 4,250.84 : x
  2. Step 2: Convert to fraction form
    13,610.65/20,416.56 = 4,250.84/x
  3. Step 3: Cross multiply
    13,610.65x = 20,416.56 × 4,250.84
  4. Step 4: Simplify right side
    13,610.65x = 86,787,555.44
  5. Step 5: Solve for x
    x = 86,787,555.44/13,610.65
  6. Step 6: Final answer
    x = 6,376.45

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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.