Home / 18,330.22-25,295.70-10,372.28

Finding the Fourth Proportional to 18,330.22, 25,295.70 and 10,372.28

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Solution

The fourth proportional to 18,330.22, 25,295.70 and 10,372.28 is: 14,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.22 : 25,295.70 = 10,372.28 : x
  2. Step 2: Convert to fraction form
    18,330.22/25,295.70 = 10,372.28/x
  3. Step 3: Cross multiply
    18,330.22x = 25,295.70 × 10,372.28
  4. Step 4: Simplify right side
    18,330.22x = 262,374,083.20
  5. Step 5: Solve for x
    x = 262,374,083.20/18,330.22
  6. Step 6: Final answer
    x = 14,313.74

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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.