Home / 18,536.50-25,581-10,153.54

Finding the Fourth Proportional to 18,536.50, 25,581 and 10,153.54

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Solution

The fourth proportional to 18,536.50, 25,581 and 10,153.54 is: 14,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.50 : 25,581 = 10,153.54 : x
  2. Step 2: Convert to fraction form
    18,536.50/25,581 = 10,153.54/x
  3. Step 3: Cross multiply
    18,536.50x = 25,581 × 10,153.54
  4. Step 4: Simplify right side
    18,536.50x = 259,737,706.74
  5. Step 5: Solve for x
    x = 259,737,706.74/18,536.50
  6. Step 6: Final answer
    x = 14,012.23

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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.