Home / 19,722.54-27,216.02-10,769.90

Finding the Fourth Proportional to 19,722.54, 27,216.02 and 10,769.90

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Solution

The fourth proportional to 19,722.54, 27,216.02 and 10,769.90 is: 14,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.54 : 27,216.02 = 10,769.90 : x
  2. Step 2: Convert to fraction form
    19,722.54/27,216.02 = 10,769.90/x
  3. Step 3: Cross multiply
    19,722.54x = 27,216.02 × 10,769.90
  4. Step 4: Simplify right side
    19,722.54x = 293,113,813.80
  5. Step 5: Solve for x
    x = 293,113,813.80/19,722.54
  6. Step 6: Final answer
    x = 14,861.87

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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.