Home / 13,505.92-18,672.96-10,372.48

Finding the Fourth Proportional to 13,505.92, 18,672.96 and 10,372.48

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Solution

The fourth proportional to 13,505.92, 18,672.96 and 10,372.48 is: 14,340.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505.92 : 18,672.96 = 10,372.48 : x
  2. Step 2: Convert to fraction form
    13,505.92/18,672.96 = 10,372.48/x
  3. Step 3: Cross multiply
    13,505.92x = 18,672.96 × 10,372.48
  4. Step 4: Simplify right side
    13,505.92x = 193,684,904.14
  5. Step 5: Solve for x
    x = 193,684,904.14/13,505.92
  6. Step 6: Final answer
    x = 14,340.74

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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.