Home / 22,798.68-31,449.03-13,717.75

Finding the Fourth Proportional to 22,798.68, 31,449.03 and 13,717.75

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Solution

The fourth proportional to 22,798.68, 31,449.03 and 13,717.75 is: 18,922.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,798.68 : 31,449.03 = 13,717.75 : x
  2. Step 2: Convert to fraction form
    22,798.68/31,449.03 = 13,717.75/x
  3. Step 3: Cross multiply
    22,798.68x = 31,449.03 × 13,717.75
  4. Step 4: Simplify right side
    22,798.68x = 431,409,862.69
  5. Step 5: Solve for x
    x = 431,409,862.69/22,798.68
  6. Step 6: Final answer
    x = 18,922.58

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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.