Home / 18,266.80-27,390.33-6,417.51

Finding the Fourth Proportional to 18,266.80, 27,390.33 and 6,417.51

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Solution

The fourth proportional to 18,266.80, 27,390.33 and 6,417.51 is: 9,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.80 : 27,390.33 = 6,417.51 : x
  2. Step 2: Convert to fraction form
    18,266.80/27,390.33 = 6,417.51/x
  3. Step 3: Cross multiply
    18,266.80x = 27,390.33 × 6,417.51
  4. Step 4: Simplify right side
    18,266.80x = 175,777,684.59
  5. Step 5: Solve for x
    x = 175,777,684.59/18,266.80
  6. Step 6: Final answer
    x = 9,622.80

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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.