Home / 34,143.64-51,215.40-13,352.56

Finding the Fourth Proportional to 34,143.64, 51,215.40 and 13,352.56

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Solution

The fourth proportional to 34,143.64, 51,215.40 and 13,352.56 is: 20,028.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,143.64 : 51,215.40 = 13,352.56 : x
  2. Step 2: Convert to fraction form
    34,143.64/51,215.40 = 13,352.56/x
  3. Step 3: Cross multiply
    34,143.64x = 51,215.40 × 13,352.56
  4. Step 4: Simplify right side
    34,143.64x = 683,856,701.42
  5. Step 5: Solve for x
    x = 683,856,701.42/34,143.64
  6. Step 6: Final answer
    x = 20,028.82

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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.