Home / 13,277.23-18,322.22-7,227.59

Finding the Fourth Proportional to 13,277.23, 18,322.22 and 7,227.59

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Solution

The fourth proportional to 13,277.23, 18,322.22 and 7,227.59 is: 9,973.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.23 : 18,322.22 = 7,227.59 : x
  2. Step 2: Convert to fraction form
    13,277.23/18,322.22 = 7,227.59/x
  3. Step 3: Cross multiply
    13,277.23x = 18,322.22 × 7,227.59
  4. Step 4: Simplify right side
    13,277.23x = 132,425,494.05
  5. Step 5: Solve for x
    x = 132,425,494.05/13,277.23
  6. Step 6: Final answer
    x = 9,973.88

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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.