Home / 36,675.65-55,012.88-11,715.53

Finding the Fourth Proportional to 36,675.65, 55,012.88 and 11,715.53

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Solution

The fourth proportional to 36,675.65, 55,012.88 and 11,715.53 is: 17,573.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,675.65 : 55,012.88 = 11,715.53 : x
  2. Step 2: Convert to fraction form
    36,675.65/55,012.88 = 11,715.53/x
  3. Step 3: Cross multiply
    36,675.65x = 55,012.88 × 11,715.53
  4. Step 4: Simplify right side
    36,675.65x = 644,505,154.11
  5. Step 5: Solve for x
    x = 644,505,154.11/36,675.65
  6. Step 6: Final answer
    x = 17,573.11

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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.