Home / 18,266.14-25,203.20-10,305.46

Finding the Fourth Proportional to 18,266.14, 25,203.20 and 10,305.46

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Solution

The fourth proportional to 18,266.14, 25,203.20 and 10,305.46 is: 14,219.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.14 : 25,203.20 = 10,305.46 : x
  2. Step 2: Convert to fraction form
    18,266.14/25,203.20 = 10,305.46/x
  3. Step 3: Cross multiply
    18,266.14x = 25,203.20 × 10,305.46
  4. Step 4: Simplify right side
    18,266.14x = 259,730,569.47
  5. Step 5: Solve for x
    x = 259,730,569.47/18,266.14
  6. Step 6: Final answer
    x = 14,219.24

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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.