Home / 17,561.98-26,333.52-7,689.77

Finding the Fourth Proportional to 17,561.98, 26,333.52 and 7,689.77

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Solution

The fourth proportional to 17,561.98, 26,333.52 and 7,689.77 is: 11,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,561.98 : 26,333.52 = 7,689.77 : x
  2. Step 2: Convert to fraction form
    17,561.98/26,333.52 = 7,689.77/x
  3. Step 3: Cross multiply
    17,561.98x = 26,333.52 × 7,689.77
  4. Step 4: Simplify right side
    17,561.98x = 202,498,712.09
  5. Step 5: Solve for x
    x = 202,498,712.09/17,561.98
  6. Step 6: Final answer
    x = 11,530.52

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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.