Home / 17,747.78-26,640.12-13,073.06

Finding the Fourth Proportional to 17,747.78, 26,640.12 and 13,073.06

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Solution

The fourth proportional to 17,747.78, 26,640.12 and 13,073.06 is: 19,623.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,747.78 : 26,640.12 = 13,073.06 : x
  2. Step 2: Convert to fraction form
    17,747.78/26,640.12 = 13,073.06/x
  3. Step 3: Cross multiply
    17,747.78x = 26,640.12 × 13,073.06
  4. Step 4: Simplify right side
    17,747.78x = 348,267,887.17
  5. Step 5: Solve for x
    x = 348,267,887.17/17,747.78
  6. Step 6: Final answer
    x = 19,623.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.