Home / 22,838.14-31,516.45-12,766.60

Finding the Fourth Proportional to 22,838.14, 31,516.45 and 12,766.60

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Solution

The fourth proportional to 22,838.14, 31,516.45 and 12,766.60 is: 17,617.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,838.14 : 31,516.45 = 12,766.60 : x
  2. Step 2: Convert to fraction form
    22,838.14/31,516.45 = 12,766.60/x
  3. Step 3: Cross multiply
    22,838.14x = 31,516.45 × 12,766.60
  4. Step 4: Simplify right side
    22,838.14x = 402,357,910.57
  5. Step 5: Solve for x
    x = 402,357,910.57/22,838.14
  6. Step 6: Final answer
    x = 17,617.81

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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.