Home / 13,114.82-19,672.24-4,347.70

Finding the Fourth Proportional to 13,114.82, 19,672.24 and 4,347.70

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Solution

The fourth proportional to 13,114.82, 19,672.24 and 4,347.70 is: 6,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.82 : 19,672.24 = 4,347.70 : x
  2. Step 2: Convert to fraction form
    13,114.82/19,672.24 = 4,347.70/x
  3. Step 3: Cross multiply
    13,114.82x = 19,672.24 × 4,347.70
  4. Step 4: Simplify right side
    13,114.82x = 85,528,997.85
  5. Step 5: Solve for x
    x = 85,528,997.85/13,114.82
  6. Step 6: Final answer
    x = 6,521.55

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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.