Home / 18,221.51-27,326.15-6,974.23

Finding the Fourth Proportional to 18,221.51, 27,326.15 and 6,974.23

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Solution

The fourth proportional to 18,221.51, 27,326.15 and 6,974.23 is: 10,459.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.51 : 27,326.15 = 6,974.23 : x
  2. Step 2: Convert to fraction form
    18,221.51/27,326.15 = 6,974.23/x
  3. Step 3: Cross multiply
    18,221.51x = 27,326.15 × 6,974.23
  4. Step 4: Simplify right side
    18,221.51x = 190,578,855.11
  5. Step 5: Solve for x
    x = 190,578,855.11/18,221.51
  6. Step 6: Final answer
    x = 10,459.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.