Home / 21,182.50-31,773.75-5,600.13

Finding the Fourth Proportional to 21,182.50, 31,773.75 and 5,600.13

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Solution

The fourth proportional to 21,182.50, 31,773.75 and 5,600.13 is: 8,400.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,182.50 : 31,773.75 = 5,600.13 : x
  2. Step 2: Convert to fraction form
    21,182.50/31,773.75 = 5,600.13/x
  3. Step 3: Cross multiply
    21,182.50x = 31,773.75 × 5,600.13
  4. Step 4: Simplify right side
    21,182.50x = 177,936,971.72
  5. Step 5: Solve for x
    x = 177,936,971.72/21,182.50
  6. Step 6: Final answer
    x = 8,400.19

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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.