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Finding the Fourth Proportional to 18,510.22, 25,544.00 and 10,012.31

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Solution

The fourth proportional to 18,510.22, 25,544.00 and 10,012.31 is: 13,816.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.22 : 25,544.00 = 10,012.31 : x
  2. Step 2: Convert to fraction form
    18,510.22/25,544.00 = 10,012.31/x
  3. Step 3: Cross multiply
    18,510.22x = 25,544.00 × 10,012.31
  4. Step 4: Simplify right side
    18,510.22x = 255,754,519.34
  5. Step 5: Solve for x
    x = 255,754,519.34/18,510.22
  6. Step 6: Final answer
    x = 13,816.94

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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.