Home / 19,550.39-26,943.35-13,885.38

Finding the Fourth Proportional to 19,550.39, 26,943.35 and 13,885.38

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Solution

The fourth proportional to 19,550.39, 26,943.35 and 13,885.38 is: 19,136.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.39 : 26,943.35 = 13,885.38 : x
  2. Step 2: Convert to fraction form
    19,550.39/26,943.35 = 13,885.38/x
  3. Step 3: Cross multiply
    19,550.39x = 26,943.35 × 13,885.38
  4. Step 4: Simplify right side
    19,550.39x = 374,118,583.80
  5. Step 5: Solve for x
    x = 374,118,583.80/19,550.39
  6. Step 6: Final answer
    x = 19,136.12

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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.