Home / 12,292.08-18,331.14-11,601.96

Finding the Fourth Proportional to 12,292.08, 18,331.14 and 11,601.96

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Solution

The fourth proportional to 12,292.08, 18,331.14 and 11,601.96 is: 17,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.08 : 18,331.14 = 11,601.96 : x
  2. Step 2: Convert to fraction form
    12,292.08/18,331.14 = 11,601.96/x
  3. Step 3: Cross multiply
    12,292.08x = 18,331.14 × 11,601.96
  4. Step 4: Simplify right side
    12,292.08x = 212,677,153.03
  5. Step 5: Solve for x
    x = 212,677,153.03/12,292.08
  6. Step 6: Final answer
    x = 17,301.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.