Home / 18,212.26-25,132.86-10,254.52

Finding the Fourth Proportional to 18,212.26, 25,132.86 and 10,254.52

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Solution

The fourth proportional to 18,212.26, 25,132.86 and 10,254.52 is: 14,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.26 : 25,132.86 = 10,254.52 : x
  2. Step 2: Convert to fraction form
    18,212.26/25,132.86 = 10,254.52/x
  3. Step 3: Cross multiply
    18,212.26x = 25,132.86 × 10,254.52
  4. Step 4: Simplify right side
    18,212.26x = 257,725,415.53
  5. Step 5: Solve for x
    x = 257,725,415.53/18,212.26
  6. Step 6: Final answer
    x = 14,151.20

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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.