Home / 18,224.13-25,134.44-15,302.41

Finding the Fourth Proportional to 18,224.13, 25,134.44 and 15,302.41

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Solution

The fourth proportional to 18,224.13, 25,134.44 and 15,302.41 is: 21,104.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.13 : 25,134.44 = 15,302.41 : x
  2. Step 2: Convert to fraction form
    18,224.13/25,134.44 = 15,302.41/x
  3. Step 3: Cross multiply
    18,224.13x = 25,134.44 × 15,302.41
  4. Step 4: Simplify right side
    18,224.13x = 384,617,366.65
  5. Step 5: Solve for x
    x = 384,617,366.65/18,224.13
  6. Step 6: Final answer
    x = 21,104.84

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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.