Home / 14,664.83-20,231.16-8,693.30

Finding the Fourth Proportional to 14,664.83, 20,231.16 and 8,693.30

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Solution

The fourth proportional to 14,664.83, 20,231.16 and 8,693.30 is: 11,993.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.83 : 20,231.16 = 8,693.30 : x
  2. Step 2: Convert to fraction form
    14,664.83/20,231.16 = 8,693.30/x
  3. Step 3: Cross multiply
    14,664.83x = 20,231.16 × 8,693.30
  4. Step 4: Simplify right side
    14,664.83x = 175,875,543.23
  5. Step 5: Solve for x
    x = 175,875,543.23/14,664.83
  6. Step 6: Final answer
    x = 11,993.02

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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.