Home / 12,726.24-19,066.68-8,823.12

Finding the Fourth Proportional to 12,726.24, 19,066.68 and 8,823.12

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Solution

The fourth proportional to 12,726.24, 19,066.68 and 8,823.12 is: 13,218.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.24 : 19,066.68 = 8,823.12 : x
  2. Step 2: Convert to fraction form
    12,726.24/19,066.68 = 8,823.12/x
  3. Step 3: Cross multiply
    12,726.24x = 19,066.68 × 8,823.12
  4. Step 4: Simplify right side
    12,726.24x = 168,227,605.64
  5. Step 5: Solve for x
    x = 168,227,605.64/12,726.24
  6. Step 6: Final answer
    x = 13,218.96

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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.