Home / 19,843.85-27,384.40-10,769.01

Finding the Fourth Proportional to 19,843.85, 27,384.40 and 10,769.01

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Solution

The fourth proportional to 19,843.85, 27,384.40 and 10,769.01 is: 14,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,843.85 : 27,384.40 = 10,769.01 : x
  2. Step 2: Convert to fraction form
    19,843.85/27,384.40 = 10,769.01/x
  3. Step 3: Cross multiply
    19,843.85x = 27,384.40 × 10,769.01
  4. Step 4: Simplify right side
    19,843.85x = 294,902,877.44
  5. Step 5: Solve for x
    x = 294,902,877.44/19,843.85
  6. Step 6: Final answer
    x = 14,861.17

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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.