Home / 18,212.48-25,131.66-10,253.24

Finding the Fourth Proportional to 18,212.48, 25,131.66 and 10,253.24

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Solution

The fourth proportional to 18,212.48, 25,131.66 and 10,253.24 is: 14,148.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.48 : 25,131.66 = 10,253.24 : x
  2. Step 2: Convert to fraction form
    18,212.48/25,131.66 = 10,253.24/x
  3. Step 3: Cross multiply
    18,212.48x = 25,131.66 × 10,253.24
  4. Step 4: Simplify right side
    18,212.48x = 257,680,941.58
  5. Step 5: Solve for x
    x = 257,680,941.58/18,212.48
  6. Step 6: Final answer
    x = 14,148.59

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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.