Home / 14,122.92-21,181.86-5,237.22

Finding the Fourth Proportional to 14,122.92, 21,181.86 and 5,237.22

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Solution

The fourth proportional to 14,122.92, 21,181.86 and 5,237.22 is: 7,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.92 : 21,181.86 = 5,237.22 : x
  2. Step 2: Convert to fraction form
    14,122.92/21,181.86 = 5,237.22/x
  3. Step 3: Cross multiply
    14,122.92x = 21,181.86 × 5,237.22
  4. Step 4: Simplify right side
    14,122.92x = 110,934,060.83
  5. Step 5: Solve for x
    x = 110,934,060.83/14,122.92
  6. Step 6: Final answer
    x = 7,854.90

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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.