Home / 18,537.06-25,581.78-10,153.56

Finding the Fourth Proportional to 18,537.06, 25,581.78 and 10,153.56

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Solution

The fourth proportional to 18,537.06, 25,581.78 and 10,153.56 is: 14,012.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.06 : 25,581.78 = 10,153.56 : x
  2. Step 2: Convert to fraction form
    18,537.06/25,581.78 = 10,153.56/x
  3. Step 3: Cross multiply
    18,537.06x = 25,581.78 × 10,153.56
  4. Step 4: Simplify right side
    18,537.06x = 259,746,138.14
  5. Step 5: Solve for x
    x = 259,746,138.14/18,537.06
  6. Step 6: Final answer
    x = 14,012.26

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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.