Home / 22,963.08-31,688.64-13,531.44

Finding the Fourth Proportional to 22,963.08, 31,688.64 and 13,531.44

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Solution

The fourth proportional to 22,963.08, 31,688.64 and 13,531.44 is: 18,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,963.08 : 31,688.64 = 13,531.44 : x
  2. Step 2: Convert to fraction form
    22,963.08/31,688.64 = 13,531.44/x
  3. Step 3: Cross multiply
    22,963.08x = 31,688.64 × 13,531.44
  4. Step 4: Simplify right side
    22,963.08x = 428,792,930.84
  5. Step 5: Solve for x
    x = 428,792,930.84/22,963.08
  6. Step 6: Final answer
    x = 18,673.15

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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.