Home / 10,014.21-15,022.33-3,439.54

Finding the Fourth Proportional to 10,014.21, 15,022.33 and 3,439.54

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Solution

The fourth proportional to 10,014.21, 15,022.33 and 3,439.54 is: 5,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.21 : 15,022.33 = 3,439.54 : x
  2. Step 2: Convert to fraction form
    10,014.21/15,022.33 = 3,439.54/x
  3. Step 3: Cross multiply
    10,014.21x = 15,022.33 × 3,439.54
  4. Step 4: Simplify right side
    10,014.21x = 51,669,858.77
  5. Step 5: Solve for x
    x = 51,669,858.77/10,014.21
  6. Step 6: Final answer
    x = 5,159.65

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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.