Home / 16,860.22-23,265.87-9,306.56

Finding the Fourth Proportional to 16,860.22, 23,265.87 and 9,306.56

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Solution

The fourth proportional to 16,860.22, 23,265.87 and 9,306.56 is: 12,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.22 : 23,265.87 = 9,306.56 : x
  2. Step 2: Convert to fraction form
    16,860.22/23,265.87 = 9,306.56/x
  3. Step 3: Cross multiply
    16,860.22x = 23,265.87 × 9,306.56
  4. Step 4: Simplify right side
    16,860.22x = 216,525,215.11
  5. Step 5: Solve for x
    x = 216,525,215.11/16,860.22
  6. Step 6: Final answer
    x = 12,842.37

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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.