Home / 19,058.80-28,584.72-5,207.68

Finding the Fourth Proportional to 19,058.80, 28,584.72 and 5,207.68

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Solution

The fourth proportional to 19,058.80, 28,584.72 and 5,207.68 is: 7,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,058.80 : 28,584.72 = 5,207.68 : x
  2. Step 2: Convert to fraction form
    19,058.80/28,584.72 = 5,207.68/x
  3. Step 3: Cross multiply
    19,058.80x = 28,584.72 × 5,207.68
  4. Step 4: Simplify right side
    19,058.80x = 148,860,074.65
  5. Step 5: Solve for x
    x = 148,860,074.65/19,058.80
  6. Step 6: Final answer
    x = 7,810.57

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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.