Home / 18,474.13-25,474.06-12,495.52

Finding the Fourth Proportional to 18,474.13, 25,474.06 and 12,495.52

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Solution

The fourth proportional to 18,474.13, 25,474.06 and 12,495.52 is: 17,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.13 : 25,474.06 = 12,495.52 : x
  2. Step 2: Convert to fraction form
    18,474.13/25,474.06 = 12,495.52/x
  3. Step 3: Cross multiply
    18,474.13x = 25,474.06 × 12,495.52
  4. Step 4: Simplify right side
    18,474.13x = 318,311,626.21
  5. Step 5: Solve for x
    x = 318,311,626.21/18,474.13
  6. Step 6: Final answer
    x = 17,230.13

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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.