Home / 22,641.45-31,260.51-13,696.62

Finding the Fourth Proportional to 22,641.45, 31,260.51 and 13,696.62

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Solution

The fourth proportional to 22,641.45, 31,260.51 and 13,696.62 is: 18,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,641.45 : 31,260.51 = 13,696.62 : x
  2. Step 2: Convert to fraction form
    22,641.45/31,260.51 = 13,696.62/x
  3. Step 3: Cross multiply
    22,641.45x = 31,260.51 × 13,696.62
  4. Step 4: Simplify right side
    22,641.45x = 428,163,326.48
  5. Step 5: Solve for x
    x = 428,163,326.48/22,641.45
  6. Step 6: Final answer
    x = 18,910.60

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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.