Home / 18,151.27-25,047.87-10,085.43

Finding the Fourth Proportional to 18,151.27, 25,047.87 and 10,085.43

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Solution

The fourth proportional to 18,151.27, 25,047.87 and 10,085.43 is: 13,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.27 : 25,047.87 = 10,085.43 : x
  2. Step 2: Convert to fraction form
    18,151.27/25,047.87 = 10,085.43/x
  3. Step 3: Cross multiply
    18,151.27x = 25,047.87 × 10,085.43
  4. Step 4: Simplify right side
    18,151.27x = 252,618,539.53
  5. Step 5: Solve for x
    x = 252,618,539.53/18,151.27
  6. Step 6: Final answer
    x = 13,917.40

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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.