Home / 15,429.79-23,105.14-10,679.36

Finding the Fourth Proportional to 15,429.79, 23,105.14 and 10,679.36

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Solution

The fourth proportional to 15,429.79, 23,105.14 and 10,679.36 is: 15,991.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.79 : 23,105.14 = 10,679.36 : x
  2. Step 2: Convert to fraction form
    15,429.79/23,105.14 = 10,679.36/x
  3. Step 3: Cross multiply
    15,429.79x = 23,105.14 × 10,679.36
  4. Step 4: Simplify right side
    15,429.79x = 246,748,107.91
  5. Step 5: Solve for x
    x = 246,748,107.91/15,429.79
  6. Step 6: Final answer
    x = 15,991.68

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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.