Home / 21,448.54-32,166.66-7,404.92

Finding the Fourth Proportional to 21,448.54, 32,166.66 and 7,404.92

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Solution

The fourth proportional to 21,448.54, 32,166.66 and 7,404.92 is: 11,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.54 : 32,166.66 = 7,404.92 : x
  2. Step 2: Convert to fraction form
    21,448.54/32,166.66 = 7,404.92/x
  3. Step 3: Cross multiply
    21,448.54x = 32,166.66 × 7,404.92
  4. Step 4: Simplify right side
    21,448.54x = 238,191,543.97
  5. Step 5: Solve for x
    x = 238,191,543.97/21,448.54
  6. Step 6: Final answer
    x = 11,105.26

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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.