Home / 19,118.94-26,388.90-14,868.96

Finding the Fourth Proportional to 19,118.94, 26,388.90 and 14,868.96

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Solution

The fourth proportional to 19,118.94, 26,388.90 and 14,868.96 is: 20,522.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.94 : 26,388.90 = 14,868.96 : x
  2. Step 2: Convert to fraction form
    19,118.94/26,388.90 = 14,868.96/x
  3. Step 3: Cross multiply
    19,118.94x = 26,388.90 × 14,868.96
  4. Step 4: Simplify right side
    19,118.94x = 392,375,498.54
  5. Step 5: Solve for x
    x = 392,375,498.54/19,118.94
  6. Step 6: Final answer
    x = 20,522.87

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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.