Home / 12,083.36-18,152.68-10,423.06

Finding the Fourth Proportional to 12,083.36, 18,152.68 and 10,423.06

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Solution

The fourth proportional to 12,083.36, 18,152.68 and 10,423.06 is: 15,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.36 : 18,152.68 = 10,423.06 : x
  2. Step 2: Convert to fraction form
    12,083.36/18,152.68 = 10,423.06/x
  3. Step 3: Cross multiply
    12,083.36x = 18,152.68 × 10,423.06
  4. Step 4: Simplify right side
    12,083.36x = 189,206,472.80
  5. Step 5: Solve for x
    x = 189,206,472.80/12,083.36
  6. Step 6: Final answer
    x = 15,658.43

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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.