Home / 19,451.88-26,806.14-14,138.28

Finding the Fourth Proportional to 19,451.88, 26,806.14 and 14,138.28

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Solution

The fourth proportional to 19,451.88, 26,806.14 and 14,138.28 is: 19,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.88 : 26,806.14 = 14,138.28 : x
  2. Step 2: Convert to fraction form
    19,451.88/26,806.14 = 14,138.28/x
  3. Step 3: Cross multiply
    19,451.88x = 26,806.14 × 14,138.28
  4. Step 4: Simplify right side
    19,451.88x = 378,992,713.04
  5. Step 5: Solve for x
    x = 378,992,713.04/19,451.88
  6. Step 6: Final answer
    x = 19,483.60

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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.