Home / 19,371.38-26,722.28-15,994.49

Finding the Fourth Proportional to 19,371.38, 26,722.28 and 15,994.49

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Solution

The fourth proportional to 19,371.38, 26,722.28 and 15,994.49 is: 22,063.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.38 : 26,722.28 = 15,994.49 : x
  2. Step 2: Convert to fraction form
    19,371.38/26,722.28 = 15,994.49/x
  3. Step 3: Cross multiply
    19,371.38x = 26,722.28 × 15,994.49
  4. Step 4: Simplify right side
    19,371.38x = 427,409,146.61
  5. Step 5: Solve for x
    x = 427,409,146.61/19,371.38
  6. Step 6: Final answer
    x = 22,063.96

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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.