Home / 18,177.85-25,085.73-11,007.98

Finding the Fourth Proportional to 18,177.85, 25,085.73 and 11,007.98

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Solution

The fourth proportional to 18,177.85, 25,085.73 and 11,007.98 is: 15,191.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177.85 : 25,085.73 = 11,007.98 : x
  2. Step 2: Convert to fraction form
    18,177.85/25,085.73 = 11,007.98/x
  3. Step 3: Cross multiply
    18,177.85x = 25,085.73 × 11,007.98
  4. Step 4: Simplify right side
    18,177.85x = 276,143,088.70
  5. Step 5: Solve for x
    x = 276,143,088.70/18,177.85
  6. Step 6: Final answer
    x = 15,191.19

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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.