Home / 19,765.12-29,608.72-16,071.52

Finding the Fourth Proportional to 19,765.12, 29,608.72 and 16,071.52

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Solution

The fourth proportional to 19,765.12, 29,608.72 and 16,071.52 is: 24,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.12 : 29,608.72 = 16,071.52 : x
  2. Step 2: Convert to fraction form
    19,765.12/29,608.72 = 16,071.52/x
  3. Step 3: Cross multiply
    19,765.12x = 29,608.72 × 16,071.52
  4. Step 4: Simplify right side
    19,765.12x = 475,857,135.65
  5. Step 5: Solve for x
    x = 475,857,135.65/19,765.12
  6. Step 6: Final answer
    x = 24,075.60

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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.