Home / 19,333.75-26,680.12-11,376.49

Finding the Fourth Proportional to 19,333.75, 26,680.12 and 11,376.49

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Solution

The fourth proportional to 19,333.75, 26,680.12 and 11,376.49 is: 15,699.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.75 : 26,680.12 = 11,376.49 : x
  2. Step 2: Convert to fraction form
    19,333.75/26,680.12 = 11,376.49/x
  3. Step 3: Cross multiply
    19,333.75x = 26,680.12 × 11,376.49
  4. Step 4: Simplify right side
    19,333.75x = 303,526,118.38
  5. Step 5: Solve for x
    x = 303,526,118.38/19,333.75
  6. Step 6: Final answer
    x = 15,699.29

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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.