Home / 14,540.06-21,776.88-8,684.66

Finding the Fourth Proportional to 14,540.06, 21,776.88 and 8,684.66

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Solution

The fourth proportional to 14,540.06, 21,776.88 and 8,684.66 is: 13,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.06 : 21,776.88 = 8,684.66 : x
  2. Step 2: Convert to fraction form
    14,540.06/21,776.88 = 8,684.66/x
  3. Step 3: Cross multiply
    14,540.06x = 21,776.88 × 8,684.66
  4. Step 4: Simplify right side
    14,540.06x = 189,124,798.66
  5. Step 5: Solve for x
    x = 189,124,798.66/14,540.06
  6. Step 6: Final answer
    x = 13,007.15

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1.5x scale

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.