Home / 14,143.26-19,521.16-8,174.04

Finding the Fourth Proportional to 14,143.26, 19,521.16 and 8,174.04

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Solution

The fourth proportional to 14,143.26, 19,521.16 and 8,174.04 is: 11,282.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.26 : 19,521.16 = 8,174.04 : x
  2. Step 2: Convert to fraction form
    14,143.26/19,521.16 = 8,174.04/x
  3. Step 3: Cross multiply
    14,143.26x = 19,521.16 × 8,174.04
  4. Step 4: Simplify right side
    14,143.26x = 159,566,742.69
  5. Step 5: Solve for x
    x = 159,566,742.69/14,143.26
  6. Step 6: Final answer
    x = 11,282.18

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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.