Home / 13,014.28-19,516.20-4,691.35

Finding the Fourth Proportional to 13,014.28, 19,516.20 and 4,691.35

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Solution

The fourth proportional to 13,014.28, 19,516.20 and 4,691.35 is: 7,035.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.28 : 19,516.20 = 4,691.35 : x
  2. Step 2: Convert to fraction form
    13,014.28/19,516.20 = 4,691.35/x
  3. Step 3: Cross multiply
    13,014.28x = 19,516.20 × 4,691.35
  4. Step 4: Simplify right side
    13,014.28x = 91,557,324.87
  5. Step 5: Solve for x
    x = 91,557,324.87/13,014.28
  6. Step 6: Final answer
    x = 7,035.14

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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.