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Finding the Fourth Proportional to 19,253.80, 28,874.94 and 10,014.76

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Solution

The fourth proportional to 19,253.80, 28,874.94 and 10,014.76 is: 15,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.80 : 28,874.94 = 10,014.76 : x
  2. Step 2: Convert to fraction form
    19,253.80/28,874.94 = 10,014.76/x
  3. Step 3: Cross multiply
    19,253.80x = 28,874.94 × 10,014.76
  4. Step 4: Simplify right side
    19,253.80x = 289,175,594.11
  5. Step 5: Solve for x
    x = 289,175,594.11/19,253.80
  6. Step 6: Final answer
    x = 15,019.14

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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.