Home / 21,353.18-32,025.15-6,356.66

Finding the Fourth Proportional to 21,353.18, 32,025.15 and 6,356.66

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Solution

The fourth proportional to 21,353.18, 32,025.15 and 6,356.66 is: 9,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353.18 : 32,025.15 = 6,356.66 : x
  2. Step 2: Convert to fraction form
    21,353.18/32,025.15 = 6,356.66/x
  3. Step 3: Cross multiply
    21,353.18x = 32,025.15 × 6,356.66
  4. Step 4: Simplify right side
    21,353.18x = 203,572,829.87
  5. Step 5: Solve for x
    x = 203,572,829.87/21,353.18
  6. Step 6: Final answer
    x = 9,533.61

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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.