Home / 14,832.15-20,468.09-8,117.64

Finding the Fourth Proportional to 14,832.15, 20,468.09 and 8,117.64

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Solution

The fourth proportional to 14,832.15, 20,468.09 and 8,117.64 is: 11,202.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,832.15 : 20,468.09 = 8,117.64 : x
  2. Step 2: Convert to fraction form
    14,832.15/20,468.09 = 8,117.64/x
  3. Step 3: Cross multiply
    14,832.15x = 20,468.09 × 8,117.64
  4. Step 4: Simplify right side
    14,832.15x = 166,152,586.11
  5. Step 5: Solve for x
    x = 166,152,586.11/14,832.15
  6. Step 6: Final answer
    x = 11,202.19

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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.