Home / 14,218.14-19,614.81-8,549.61

Finding the Fourth Proportional to 14,218.14, 19,614.81 and 8,549.61

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Solution

The fourth proportional to 14,218.14, 19,614.81 and 8,549.61 is: 11,794.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.14 : 19,614.81 = 8,549.61 : x
  2. Step 2: Convert to fraction form
    14,218.14/19,614.81 = 8,549.61/x
  3. Step 3: Cross multiply
    14,218.14x = 19,614.81 × 8,549.61
  4. Step 4: Simplify right side
    14,218.14x = 167,698,975.72
  5. Step 5: Solve for x
    x = 167,698,975.72/14,218.14
  6. Step 6: Final answer
    x = 11,794.72

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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.