Home / 14,708.13-20,313.89-9,694.62

Finding the Fourth Proportional to 14,708.13, 20,313.89 and 9,694.62

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Solution

The fourth proportional to 14,708.13, 20,313.89 and 9,694.62 is: 13,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,708.13 : 20,313.89 = 9,694.62 : x
  2. Step 2: Convert to fraction form
    14,708.13/20,313.89 = 9,694.62/x
  3. Step 3: Cross multiply
    14,708.13x = 20,313.89 × 9,694.62
  4. Step 4: Simplify right side
    14,708.13x = 196,935,395.80
  5. Step 5: Solve for x
    x = 196,935,395.80/14,708.13
  6. Step 6: Final answer
    x = 13,389.56

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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.