Home / 13,201.49-18,217.10-7,232.19

Finding the Fourth Proportional to 13,201.49, 18,217.10 and 7,232.19

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Solution

The fourth proportional to 13,201.49, 18,217.10 and 7,232.19 is: 9,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.49 : 18,217.10 = 7,232.19 : x
  2. Step 2: Convert to fraction form
    13,201.49/18,217.10 = 7,232.19/x
  3. Step 3: Cross multiply
    13,201.49x = 18,217.10 × 7,232.19
  4. Step 4: Simplify right side
    13,201.49x = 131,749,492.29
  5. Step 5: Solve for x
    x = 131,749,492.29/13,201.49
  6. Step 6: Final answer
    x = 9,979.90

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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.