Home / 23,131.79-31,922.64-14,177.56

Finding the Fourth Proportional to 23,131.79, 31,922.64 and 14,177.56

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Solution

The fourth proportional to 23,131.79, 31,922.64 and 14,177.56 is: 19,565.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131.79 : 31,922.64 = 14,177.56 : x
  2. Step 2: Convert to fraction form
    23,131.79/31,922.64 = 14,177.56/x
  3. Step 3: Cross multiply
    23,131.79x = 31,922.64 × 14,177.56
  4. Step 4: Simplify right side
    23,131.79x = 452,585,143.96
  5. Step 5: Solve for x
    x = 452,585,143.96/23,131.79
  6. Step 6: Final answer
    x = 19,565.50

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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.