Home / 19,587.15-29,385.59-9,186.75

Finding the Fourth Proportional to 19,587.15, 29,385.59 and 9,186.75

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Solution

The fourth proportional to 19,587.15, 29,385.59 and 9,186.75 is: 13,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.15 : 29,385.59 = 9,186.75 : x
  2. Step 2: Convert to fraction form
    19,587.15/29,385.59 = 9,186.75/x
  3. Step 3: Cross multiply
    19,587.15x = 29,385.59 × 9,186.75
  4. Step 4: Simplify right side
    19,587.15x = 269,958,023.00
  5. Step 5: Solve for x
    x = 269,958,023.00/19,587.15
  6. Step 6: Final answer
    x = 13,782.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.