Home / 29,106.26-40,134.84-19,658.42

Finding the Fourth Proportional to 29,106.26, 40,134.84 and 19,658.42

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Solution

The fourth proportional to 29,106.26, 40,134.84 and 19,658.42 is: 27,107.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,106.26 : 40,134.84 = 19,658.42 : x
  2. Step 2: Convert to fraction form
    29,106.26/40,134.84 = 19,658.42/x
  3. Step 3: Cross multiply
    29,106.26x = 40,134.84 × 19,658.42
  4. Step 4: Simplify right side
    29,106.26x = 788,987,541.35
  5. Step 5: Solve for x
    x = 788,987,541.35/29,106.26
  6. Step 6: Final answer
    x = 27,107.14

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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.