Home / 13,444.20-18,553.42-7,476.12

Finding the Fourth Proportional to 13,444.20, 18,553.42 and 7,476.12

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Solution

The fourth proportional to 13,444.20, 18,553.42 and 7,476.12 is: 10,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.20 : 18,553.42 = 7,476.12 : x
  2. Step 2: Convert to fraction form
    13,444.20/18,553.42 = 7,476.12/x
  3. Step 3: Cross multiply
    13,444.20x = 18,553.42 × 7,476.12
  4. Step 4: Simplify right side
    13,444.20x = 138,707,594.33
  5. Step 5: Solve for x
    x = 138,707,594.33/13,444.20
  6. Step 6: Final answer
    x = 10,317.28

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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.