Home / 13,551.16-18,693.57-9,565.96

Finding the Fourth Proportional to 13,551.16, 18,693.57 and 9,565.96

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Solution

The fourth proportional to 13,551.16, 18,693.57 and 9,565.96 is: 13,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.16 : 18,693.57 = 9,565.96 : x
  2. Step 2: Convert to fraction form
    13,551.16/18,693.57 = 9,565.96/x
  3. Step 3: Cross multiply
    13,551.16x = 18,693.57 × 9,565.96
  4. Step 4: Simplify right side
    13,551.16x = 178,821,942.88
  5. Step 5: Solve for x
    x = 178,821,942.88/13,551.16
  6. Step 6: Final answer
    x = 13,196.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.