Home / 14,664.23-20,233.86-8,693.72

Finding the Fourth Proportional to 14,664.23, 20,233.86 and 8,693.72

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Solution

The fourth proportional to 14,664.23, 20,233.86 and 8,693.72 is: 11,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.23 : 20,233.86 = 8,693.72 : x
  2. Step 2: Convert to fraction form
    14,664.23/20,233.86 = 8,693.72/x
  3. Step 3: Cross multiply
    14,664.23x = 20,233.86 × 8,693.72
  4. Step 4: Simplify right side
    14,664.23x = 175,907,513.36
  5. Step 5: Solve for x
    x = 175,907,513.36/14,664.23
  6. Step 6: Final answer
    x = 11,995.69

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1.5x scale

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.