Home / 18,154.45-25,059.27-11,451.25

Finding the Fourth Proportional to 18,154.45, 25,059.27 and 11,451.25

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Solution

The fourth proportional to 18,154.45, 25,059.27 and 11,451.25 is: 15,806.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.45 : 25,059.27 = 11,451.25 : x
  2. Step 2: Convert to fraction form
    18,154.45/25,059.27 = 11,451.25/x
  3. Step 3: Cross multiply
    18,154.45x = 25,059.27 × 11,451.25
  4. Step 4: Simplify right side
    18,154.45x = 286,959,965.59
  5. Step 5: Solve for x
    x = 286,959,965.59/18,154.45
  6. Step 6: Final answer
    x = 15,806.59

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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.