Home / 14,679.97-20,275.18-9,666.60

Finding the Fourth Proportional to 14,679.97, 20,275.18 and 9,666.60

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Solution

The fourth proportional to 14,679.97, 20,275.18 and 9,666.60 is: 13,350.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.97 : 20,275.18 = 9,666.60 : x
  2. Step 2: Convert to fraction form
    14,679.97/20,275.18 = 9,666.60/x
  3. Step 3: Cross multiply
    14,679.97x = 20,275.18 × 9,666.60
  4. Step 4: Simplify right side
    14,679.97x = 195,992,054.99
  5. Step 5: Solve for x
    x = 195,992,054.99/14,679.97
  6. Step 6: Final answer
    x = 13,350.99

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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.