Home / 21,536.82-32,307.12-7,494.66

Finding the Fourth Proportional to 21,536.82, 32,307.12 and 7,494.66

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Solution

The fourth proportional to 21,536.82, 32,307.12 and 7,494.66 is: 11,242.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,536.82 : 32,307.12 = 7,494.66 : x
  2. Step 2: Convert to fraction form
    21,536.82/32,307.12 = 7,494.66/x
  3. Step 3: Cross multiply
    21,536.82x = 32,307.12 × 7,494.66
  4. Step 4: Simplify right side
    21,536.82x = 242,130,879.98
  5. Step 5: Solve for x
    x = 242,130,879.98/21,536.82
  6. Step 6: Final answer
    x = 11,242.65

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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.