Home / 18,734.46-28,068.81-16,700.70

Finding the Fourth Proportional to 18,734.46, 28,068.81 and 16,700.70

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Solution

The fourth proportional to 18,734.46, 28,068.81 and 16,700.70 is: 25,021.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.46 : 28,068.81 = 16,700.70 : x
  2. Step 2: Convert to fraction form
    18,734.46/28,068.81 = 16,700.70/x
  3. Step 3: Cross multiply
    18,734.46x = 28,068.81 × 16,700.70
  4. Step 4: Simplify right side
    18,734.46x = 468,768,775.17
  5. Step 5: Solve for x
    x = 468,768,775.17/18,734.46
  6. Step 6: Final answer
    x = 25,021.74

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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.