Home / 18,204.65-25,119.06-10,245.18

Finding the Fourth Proportional to 18,204.65, 25,119.06 and 10,245.18

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Solution

The fourth proportional to 18,204.65, 25,119.06 and 10,245.18 is: 14,136.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.65 : 25,119.06 = 10,245.18 : x
  2. Step 2: Convert to fraction form
    18,204.65/25,119.06 = 10,245.18/x
  3. Step 3: Cross multiply
    18,204.65x = 25,119.06 × 10,245.18
  4. Step 4: Simplify right side
    18,204.65x = 257,349,404.54
  5. Step 5: Solve for x
    x = 257,349,404.54/18,204.65
  6. Step 6: Final answer
    x = 14,136.47

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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.