Home / 18,343.34-25,313.92-10,789.99

Finding the Fourth Proportional to 18,343.34, 25,313.92 and 10,789.99

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Solution

The fourth proportional to 18,343.34, 25,313.92 and 10,789.99 is: 14,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.34 : 25,313.92 = 10,789.99 : x
  2. Step 2: Convert to fraction form
    18,343.34/25,313.92 = 10,789.99/x
  3. Step 3: Cross multiply
    18,343.34x = 25,313.92 × 10,789.99
  4. Step 4: Simplify right side
    18,343.34x = 273,136,943.66
  5. Step 5: Solve for x
    x = 273,136,943.66/18,343.34
  6. Step 6: Final answer
    x = 14,890.25

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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.