Home / 13,404.22-18,497.80-7,435.92

Finding the Fourth Proportional to 13,404.22, 18,497.80 and 7,435.92

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Solution

The fourth proportional to 13,404.22, 18,497.80 and 7,435.92 is: 10,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404.22 : 18,497.80 = 7,435.92 : x
  2. Step 2: Convert to fraction form
    13,404.22/18,497.80 = 7,435.92/x
  3. Step 3: Cross multiply
    13,404.22x = 18,497.80 × 7,435.92
  4. Step 4: Simplify right side
    13,404.22x = 137,548,160.98
  5. Step 5: Solve for x
    x = 137,548,160.98/13,404.22
  6. Step 6: Final answer
    x = 10,261.56

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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.