Home / 18,971.76-26,183-10,589.04

Finding the Fourth Proportional to 18,971.76, 26,183 and 10,589.04

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Solution

The fourth proportional to 18,971.76, 26,183 and 10,589.04 is: 14,613.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971.76 : 26,183 = 10,589.04 : x
  2. Step 2: Convert to fraction form
    18,971.76/26,183 = 10,589.04/x
  3. Step 3: Cross multiply
    18,971.76x = 26,183 × 10,589.04
  4. Step 4: Simplify right side
    18,971.76x = 277,252,834.32
  5. Step 5: Solve for x
    x = 277,252,834.32/18,971.76
  6. Step 6: Final answer
    x = 14,613.98

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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.