Home / 18,495.93-25,529.13-11,418.30

Finding the Fourth Proportional to 18,495.93, 25,529.13 and 11,418.30

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Solution

The fourth proportional to 18,495.93, 25,529.13 and 11,418.30 is: 15,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.93 : 25,529.13 = 11,418.30 : x
  2. Step 2: Convert to fraction form
    18,495.93/25,529.13 = 11,418.30/x
  3. Step 3: Cross multiply
    18,495.93x = 25,529.13 × 11,418.30
  4. Step 4: Simplify right side
    18,495.93x = 291,499,265.08
  5. Step 5: Solve for x
    x = 291,499,265.08/18,495.93
  6. Step 6: Final answer
    x = 15,760.18

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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.