Home / 19,764.08-27,274.04-10,811.48

Finding the Fourth Proportional to 19,764.08, 27,274.04 and 10,811.48

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Solution

The fourth proportional to 19,764.08, 27,274.04 and 10,811.48 is: 14,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.08 : 27,274.04 = 10,811.48 : x
  2. Step 2: Convert to fraction form
    19,764.08/27,274.04 = 10,811.48/x
  3. Step 3: Cross multiply
    19,764.08x = 27,274.04 × 10,811.48
  4. Step 4: Simplify right side
    19,764.08x = 294,872,737.98
  5. Step 5: Solve for x
    x = 294,872,737.98/19,764.08
  6. Step 6: Final answer
    x = 14,919.63

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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.