Home / 17,280.93-23,847.66-10,115.78

Finding the Fourth Proportional to 17,280.93, 23,847.66 and 10,115.78

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Solution

The fourth proportional to 17,280.93, 23,847.66 and 10,115.78 is: 13,959.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280.93 : 23,847.66 = 10,115.78 : x
  2. Step 2: Convert to fraction form
    17,280.93/23,847.66 = 10,115.78/x
  3. Step 3: Cross multiply
    17,280.93x = 23,847.66 × 10,115.78
  4. Step 4: Simplify right side
    17,280.93x = 241,237,562.84
  5. Step 5: Solve for x
    x = 241,237,562.84/17,280.93
  6. Step 6: Final answer
    x = 13,959.76

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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.