Home / 18,176.94-25,085.50-11,104.70

Finding the Fourth Proportional to 18,176.94, 25,085.50 and 11,104.70

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Solution

The fourth proportional to 18,176.94, 25,085.50 and 11,104.70 is: 15,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.94 : 25,085.50 = 11,104.70 : x
  2. Step 2: Convert to fraction form
    18,176.94/25,085.50 = 11,104.70/x
  3. Step 3: Cross multiply
    18,176.94x = 25,085.50 × 11,104.70
  4. Step 4: Simplify right side
    18,176.94x = 278,566,798.66
  5. Step 5: Solve for x
    x = 278,566,798.66/18,176.94
  6. Step 6: Final answer
    x = 15,325.29

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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.