Home / 18,117.27-25,169.23-17,955.07

Finding the Fourth Proportional to 18,117.27, 25,169.23 and 17,955.07

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Solution

The fourth proportional to 18,117.27, 25,169.23 and 17,955.07 is: 24,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.27 : 25,169.23 = 17,955.07 : x
  2. Step 2: Convert to fraction form
    18,117.27/25,169.23 = 17,955.07/x
  3. Step 3: Cross multiply
    18,117.27x = 25,169.23 × 17,955.07
  4. Step 4: Simplify right side
    18,117.27x = 451,915,246.02
  5. Step 5: Solve for x
    x = 451,915,246.02/18,117.27
  6. Step 6: Final answer
    x = 24,943.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.