Home / 19,761.24-27,271.05-10,809.27

Finding the Fourth Proportional to 19,761.24, 27,271.05 and 10,809.27

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Solution

The fourth proportional to 19,761.24, 27,271.05 and 10,809.27 is: 14,917.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.24 : 27,271.05 = 10,809.27 : x
  2. Step 2: Convert to fraction form
    19,761.24/27,271.05 = 10,809.27/x
  3. Step 3: Cross multiply
    19,761.24x = 27,271.05 × 10,809.27
  4. Step 4: Simplify right side
    19,761.24x = 294,780,142.63
  5. Step 5: Solve for x
    x = 294,780,142.63/19,761.24
  6. Step 6: Final answer
    x = 14,917.09

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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.