Home / 14,121.11-19,487.09-8,152.62

Finding the Fourth Proportional to 14,121.11, 19,487.09 and 8,152.62

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Solution

The fourth proportional to 14,121.11, 19,487.09 and 8,152.62 is: 11,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.11 : 19,487.09 = 8,152.62 : x
  2. Step 2: Convert to fraction form
    14,121.11/19,487.09 = 8,152.62/x
  3. Step 3: Cross multiply
    14,121.11x = 19,487.09 × 8,152.62
  4. Step 4: Simplify right side
    14,121.11x = 158,870,860.06
  5. Step 5: Solve for x
    x = 158,870,860.06/14,121.11
  6. Step 6: Final answer
    x = 11,250.60

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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.