Home / 19,684.08-27,164.12-12,614.61

Finding the Fourth Proportional to 19,684.08, 27,164.12 and 12,614.61

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Solution

The fourth proportional to 19,684.08, 27,164.12 and 12,614.61 is: 17,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,684.08 : 27,164.12 = 12,614.61 : x
  2. Step 2: Convert to fraction form
    19,684.08/27,164.12 = 12,614.61/x
  3. Step 3: Cross multiply
    19,684.08x = 27,164.12 × 12,614.61
  4. Step 4: Simplify right side
    19,684.08x = 342,664,685.81
  5. Step 5: Solve for x
    x = 342,664,685.81/19,684.08
  6. Step 6: Final answer
    x = 17,408.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.