Home / 19,553.40-26,975.22-13,085.28

Finding the Fourth Proportional to 19,553.40, 26,975.22 and 13,085.28

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Solution

The fourth proportional to 19,553.40, 26,975.22 and 13,085.28 is: 18,052.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.40 : 26,975.22 = 13,085.28 : x
  2. Step 2: Convert to fraction form
    19,553.40/26,975.22 = 13,085.28/x
  3. Step 3: Cross multiply
    19,553.40x = 26,975.22 × 13,085.28
  4. Step 4: Simplify right side
    19,553.40x = 352,978,306.76
  5. Step 5: Solve for x
    x = 352,978,306.76/19,553.40
  6. Step 6: Final answer
    x = 18,052.02

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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.