Home / 19,419.28-26,799.89-10,922.27

Finding the Fourth Proportional to 19,419.28, 26,799.89 and 10,922.27

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Solution

The fourth proportional to 19,419.28, 26,799.89 and 10,922.27 is: 15,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.28 : 26,799.89 = 10,922.27 : x
  2. Step 2: Convert to fraction form
    19,419.28/26,799.89 = 10,922.27/x
  3. Step 3: Cross multiply
    19,419.28x = 26,799.89 × 10,922.27
  4. Step 4: Simplify right side
    19,419.28x = 292,715,671.39
  5. Step 5: Solve for x
    x = 292,715,671.39/19,419.28
  6. Step 6: Final answer
    x = 15,073.46

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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.