Home / 14,616.32-20,165.88-8,650.04

Finding the Fourth Proportional to 14,616.32, 20,165.88 and 8,650.04

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Solution

The fourth proportional to 14,616.32, 20,165.88 and 8,650.04 is: 11,934.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,616.32 : 20,165.88 = 8,650.04 : x
  2. Step 2: Convert to fraction form
    14,616.32/20,165.88 = 8,650.04/x
  3. Step 3: Cross multiply
    14,616.32x = 20,165.88 × 8,650.04
  4. Step 4: Simplify right side
    14,616.32x = 174,435,668.64
  5. Step 5: Solve for x
    x = 174,435,668.64/14,616.32
  6. Step 6: Final answer
    x = 11,934.31

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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.