Home / 22,706.35-31,334.27-13,146.64

Finding the Fourth Proportional to 22,706.35, 31,334.27 and 13,146.64

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Solution

The fourth proportional to 22,706.35, 31,334.27 and 13,146.64 is: 18,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,706.35 : 31,334.27 = 13,146.64 : x
  2. Step 2: Convert to fraction form
    22,706.35/31,334.27 = 13,146.64/x
  3. Step 3: Cross multiply
    22,706.35x = 31,334.27 × 13,146.64
  4. Step 4: Simplify right side
    22,706.35x = 411,940,367.35
  5. Step 5: Solve for x
    x = 411,940,367.35/22,706.35
  6. Step 6: Final answer
    x = 18,142.08

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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.