Home / 23,015.18-31,760.24-12,944.05

Finding the Fourth Proportional to 23,015.18, 31,760.24 and 12,944.05

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Solution

The fourth proportional to 23,015.18, 31,760.24 and 12,944.05 is: 17,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,015.18 : 31,760.24 = 12,944.05 : x
  2. Step 2: Convert to fraction form
    23,015.18/31,760.24 = 12,944.05/x
  3. Step 3: Cross multiply
    23,015.18x = 31,760.24 × 12,944.05
  4. Step 4: Simplify right side
    23,015.18x = 411,105,990.45
  5. Step 5: Solve for x
    x = 411,105,990.45/23,015.18
  6. Step 6: Final answer
    x = 17,862.38

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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.