Home / 19,158.48-28,717.14-8,614.14

Finding the Fourth Proportional to 19,158.48, 28,717.14 and 8,614.14

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Solution

The fourth proportional to 19,158.48, 28,717.14 and 8,614.14 is: 12,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.48 : 28,717.14 = 8,614.14 : x
  2. Step 2: Convert to fraction form
    19,158.48/28,717.14 = 8,614.14/x
  3. Step 3: Cross multiply
    19,158.48x = 28,717.14 × 8,614.14
  4. Step 4: Simplify right side
    19,158.48x = 247,373,464.36
  5. Step 5: Solve for x
    x = 247,373,464.36/19,158.48
  6. Step 6: Final answer
    x = 12,911.96

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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.