Home / 18,625.29-25,695.63-10,663.26

Finding the Fourth Proportional to 18,625.29, 25,695.63 and 10,663.26

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Solution

The fourth proportional to 18,625.29, 25,695.63 and 10,663.26 is: 14,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.29 : 25,695.63 = 10,663.26 : x
  2. Step 2: Convert to fraction form
    18,625.29/25,695.63 = 10,663.26/x
  3. Step 3: Cross multiply
    18,625.29x = 25,695.63 × 10,663.26
  4. Step 4: Simplify right side
    18,625.29x = 273,999,183.55
  5. Step 5: Solve for x
    x = 273,999,183.55/18,625.29
  6. Step 6: Final answer
    x = 14,711.14

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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.