Home / 18,800.51-28,176.39-14,083.34

Finding the Fourth Proportional to 18,800.51, 28,176.39 and 14,083.34

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Solution

The fourth proportional to 18,800.51, 28,176.39 and 14,083.34 is: 21,106.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800.51 : 28,176.39 = 14,083.34 : x
  2. Step 2: Convert to fraction form
    18,800.51/28,176.39 = 14,083.34/x
  3. Step 3: Cross multiply
    18,800.51x = 28,176.39 × 14,083.34
  4. Step 4: Simplify right side
    18,800.51x = 396,817,539.46
  5. Step 5: Solve for x
    x = 396,817,539.46/18,800.51
  6. Step 6: Final answer
    x = 21,106.75

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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.