Home / 17,553.96-26,328.51-7,690.59

Finding the Fourth Proportional to 17,553.96, 26,328.51 and 7,690.59

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Solution

The fourth proportional to 17,553.96, 26,328.51 and 7,690.59 is: 11,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,553.96 : 26,328.51 = 7,690.59 : x
  2. Step 2: Convert to fraction form
    17,553.96/26,328.51 = 7,690.59/x
  3. Step 3: Cross multiply
    17,553.96x = 26,328.51 × 7,690.59
  4. Step 4: Simplify right side
    17,553.96x = 202,481,775.72
  5. Step 5: Solve for x
    x = 202,481,775.72/17,553.96
  6. Step 6: Final answer
    x = 11,534.82

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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.