Home / 19,152.35-28,712.99-8,614.65

Finding the Fourth Proportional to 19,152.35, 28,712.99 and 8,614.65

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Solution

The fourth proportional to 19,152.35, 28,712.99 and 8,614.65 is: 12,914.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.35 : 28,712.99 = 8,614.65 : x
  2. Step 2: Convert to fraction form
    19,152.35/28,712.99 = 8,614.65/x
  3. Step 3: Cross multiply
    19,152.35x = 28,712.99 × 8,614.65
  4. Step 4: Simplify right side
    19,152.35x = 247,352,316.23
  5. Step 5: Solve for x
    x = 247,352,316.23/19,152.35
  6. Step 6: Final answer
    x = 12,914.99

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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.