Home / 21,040.93-29,037.44-12,091.24

Finding the Fourth Proportional to 21,040.93, 29,037.44 and 12,091.24

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Solution

The fourth proportional to 21,040.93, 29,037.44 and 12,091.24 is: 16,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,040.93 : 29,037.44 = 12,091.24 : x
  2. Step 2: Convert to fraction form
    21,040.93/29,037.44 = 12,091.24/x
  3. Step 3: Cross multiply
    21,040.93x = 29,037.44 × 12,091.24
  4. Step 4: Simplify right side
    21,040.93x = 351,098,654.54
  5. Step 5: Solve for x
    x = 351,098,654.54/21,040.93
  6. Step 6: Final answer
    x = 16,686.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.