Home / 22,675.71-31,289.04-12,604.23

Finding the Fourth Proportional to 22,675.71, 31,289.04 and 12,604.23

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Solution

The fourth proportional to 22,675.71, 31,289.04 and 12,604.23 is: 17,391.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,675.71 : 31,289.04 = 12,604.23 : x
  2. Step 2: Convert to fraction form
    22,675.71/31,289.04 = 12,604.23/x
  3. Step 3: Cross multiply
    22,675.71x = 31,289.04 × 12,604.23
  4. Step 4: Simplify right side
    22,675.71x = 394,374,256.64
  5. Step 5: Solve for x
    x = 394,374,256.64/22,675.71
  6. Step 6: Final answer
    x = 17,391.93

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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.