Home / 18,663.30-25,754.63-10,165.29

Finding the Fourth Proportional to 18,663.30, 25,754.63 and 10,165.29

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Solution

The fourth proportional to 18,663.30, 25,754.63 and 10,165.29 is: 14,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663.30 : 25,754.63 = 10,165.29 : x
  2. Step 2: Convert to fraction form
    18,663.30/25,754.63 = 10,165.29/x
  3. Step 3: Cross multiply
    18,663.30x = 25,754.63 × 10,165.29
  4. Step 4: Simplify right side
    18,663.30x = 261,803,308.21
  5. Step 5: Solve for x
    x = 261,803,308.21/18,663.30
  6. Step 6: Final answer
    x = 14,027.71

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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.