Home / 13,456.10-20,177.67-4,690.82

Finding the Fourth Proportional to 13,456.10, 20,177.67 and 4,690.82

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Solution

The fourth proportional to 13,456.10, 20,177.67 and 4,690.82 is: 7,033.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456.10 : 20,177.67 = 4,690.82 : x
  2. Step 2: Convert to fraction form
    13,456.10/20,177.67 = 4,690.82/x
  3. Step 3: Cross multiply
    13,456.10x = 20,177.67 × 4,690.82
  4. Step 4: Simplify right side
    13,456.10x = 94,649,817.99
  5. Step 5: Solve for x
    x = 94,649,817.99/13,456.10
  6. Step 6: Final answer
    x = 7,033.97

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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.