Home / 22,968.46-31,688.57-12,895.50

Finding the Fourth Proportional to 22,968.46, 31,688.57 and 12,895.50

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Solution

The fourth proportional to 22,968.46, 31,688.57 and 12,895.50 is: 17,791.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,968.46 : 31,688.57 = 12,895.50 : x
  2. Step 2: Convert to fraction form
    22,968.46/31,688.57 = 12,895.50/x
  3. Step 3: Cross multiply
    22,968.46x = 31,688.57 × 12,895.50
  4. Step 4: Simplify right side
    22,968.46x = 408,640,032.97
  5. Step 5: Solve for x
    x = 408,640,032.97/22,968.46
  6. Step 6: Final answer
    x = 17,791.35

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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.