Home / 19,722.59-27,216.39-10,770.09

Finding the Fourth Proportional to 19,722.59, 27,216.39 and 10,770.09

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Solution

The fourth proportional to 19,722.59, 27,216.39 and 10,770.09 is: 14,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.59 : 27,216.39 = 10,770.09 : x
  2. Step 2: Convert to fraction form
    19,722.59/27,216.39 = 10,770.09/x
  3. Step 3: Cross multiply
    19,722.59x = 27,216.39 × 10,770.09
  4. Step 4: Simplify right side
    19,722.59x = 293,122,969.78
  5. Step 5: Solve for x
    x = 293,122,969.78/19,722.59
  6. Step 6: Final answer
    x = 14,862.30

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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.