Home / 18,920.60-26,100.51-14,436.57

Finding the Fourth Proportional to 18,920.60, 26,100.51 and 14,436.57

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Solution

The fourth proportional to 18,920.60, 26,100.51 and 14,436.57 is: 19,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920.60 : 26,100.51 = 14,436.57 : x
  2. Step 2: Convert to fraction form
    18,920.60/26,100.51 = 14,436.57/x
  3. Step 3: Cross multiply
    18,920.60x = 26,100.51 × 14,436.57
  4. Step 4: Simplify right side
    18,920.60x = 376,801,839.65
  5. Step 5: Solve for x
    x = 376,801,839.65/18,920.60
  6. Step 6: Final answer
    x = 19,914.90

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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.