Home / 19,032.39-28,551.46-13,806.83

Finding the Fourth Proportional to 19,032.39, 28,551.46 and 13,806.83

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Solution

The fourth proportional to 19,032.39, 28,551.46 and 13,806.83 is: 20,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032.39 : 28,551.46 = 13,806.83 : x
  2. Step 2: Convert to fraction form
    19,032.39/28,551.46 = 13,806.83/x
  3. Step 3: Cross multiply
    19,032.39x = 28,551.46 × 13,806.83
  4. Step 4: Simplify right side
    19,032.39x = 394,205,154.47
  5. Step 5: Solve for x
    x = 394,205,154.47/19,032.39
  6. Step 6: Final answer
    x = 20,712.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.