Home / 22,963.33-31,689.30-13,409.79

Finding the Fourth Proportional to 22,963.33, 31,689.30 and 13,409.79

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Solution

The fourth proportional to 22,963.33, 31,689.30 and 13,409.79 is: 18,505.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,963.33 : 31,689.30 = 13,409.79 : x
  2. Step 2: Convert to fraction form
    22,963.33/31,689.30 = 13,409.79/x
  3. Step 3: Cross multiply
    22,963.33x = 31,689.30 × 13,409.79
  4. Step 4: Simplify right side
    22,963.33x = 424,946,858.25
  5. Step 5: Solve for x
    x = 424,946,858.25/22,963.33
  6. Step 6: Final answer
    x = 18,505.45

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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.