Home / 19,754.39-27,263.61-11,259.60

Finding the Fourth Proportional to 19,754.39, 27,263.61 and 11,259.60

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Solution

The fourth proportional to 19,754.39, 27,263.61 and 11,259.60 is: 15,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,754.39 : 27,263.61 = 11,259.60 : x
  2. Step 2: Convert to fraction form
    19,754.39/27,263.61 = 11,259.60/x
  3. Step 3: Cross multiply
    19,754.39x = 27,263.61 × 11,259.60
  4. Step 4: Simplify right side
    19,754.39x = 306,977,343.16
  5. Step 5: Solve for x
    x = 306,977,343.16/19,754.39
  6. Step 6: Final answer
    x = 15,539.71

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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.