Home / 21,708.96-32,565.24-6,126.72

Finding the Fourth Proportional to 21,708.96, 32,565.24 and 6,126.72

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Solution

The fourth proportional to 21,708.96, 32,565.24 and 6,126.72 is: 9,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708.96 : 32,565.24 = 6,126.72 : x
  2. Step 2: Convert to fraction form
    21,708.96/32,565.24 = 6,126.72/x
  3. Step 3: Cross multiply
    21,708.96x = 32,565.24 × 6,126.72
  4. Step 4: Simplify right side
    21,708.96x = 199,518,107.21
  5. Step 5: Solve for x
    x = 199,518,107.21/21,708.96
  6. Step 6: Final answer
    x = 9,190.59

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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.