Home / 22,708.88-31,326.51-13,271.97

Finding the Fourth Proportional to 22,708.88, 31,326.51 and 13,271.97

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Solution

The fourth proportional to 22,708.88, 31,326.51 and 13,271.97 is: 18,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,708.88 : 31,326.51 = 13,271.97 : x
  2. Step 2: Convert to fraction form
    22,708.88/31,326.51 = 13,271.97/x
  3. Step 3: Cross multiply
    22,708.88x = 31,326.51 × 13,271.97
  4. Step 4: Simplify right side
    22,708.88x = 415,764,500.92
  5. Step 5: Solve for x
    x = 415,764,500.92/22,708.88
  6. Step 6: Final answer
    x = 18,308.45

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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.