Home / 14,769.49-20,381.08-8,395.19

Finding the Fourth Proportional to 14,769.49, 20,381.08 and 8,395.19

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Solution

The fourth proportional to 14,769.49, 20,381.08 and 8,395.19 is: 11,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.49 : 20,381.08 = 8,395.19 : x
  2. Step 2: Convert to fraction form
    14,769.49/20,381.08 = 8,395.19/x
  3. Step 3: Cross multiply
    14,769.49x = 20,381.08 × 8,395.19
  4. Step 4: Simplify right side
    14,769.49x = 171,103,013.33
  5. Step 5: Solve for x
    x = 171,103,013.33/14,769.49
  6. Step 6: Final answer
    x = 11,584.90

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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.