Home / 19,251.68-28,853.67-10,906.40

Finding the Fourth Proportional to 19,251.68, 28,853.67 and 10,906.40

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Solution

The fourth proportional to 19,251.68, 28,853.67 and 10,906.40 is: 16,346.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.68 : 28,853.67 = 10,906.40 : x
  2. Step 2: Convert to fraction form
    19,251.68/28,853.67 = 10,906.40/x
  3. Step 3: Cross multiply
    19,251.68x = 28,853.67 × 10,906.40
  4. Step 4: Simplify right side
    19,251.68x = 314,689,522.22
  5. Step 5: Solve for x
    x = 314,689,522.22/19,251.68
  6. Step 6: Final answer
    x = 16,346.09

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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.