Home / 14,081.15-21,122.67-4,722.14

Finding the Fourth Proportional to 14,081.15, 21,122.67 and 4,722.14

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Solution

The fourth proportional to 14,081.15, 21,122.67 and 4,722.14 is: 7,083.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.15 : 21,122.67 = 4,722.14 : x
  2. Step 2: Convert to fraction form
    14,081.15/21,122.67 = 4,722.14/x
  3. Step 3: Cross multiply
    14,081.15x = 21,122.67 × 4,722.14
  4. Step 4: Simplify right side
    14,081.15x = 99,744,204.91
  5. Step 5: Solve for x
    x = 99,744,204.91/14,081.15
  6. Step 6: Final answer
    x = 7,083.53

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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.