Home / 13,435.59-18,542.25-7,467.11

Finding the Fourth Proportional to 13,435.59, 18,542.25 and 7,467.11

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Solution

The fourth proportional to 13,435.59, 18,542.25 and 7,467.11 is: 10,305.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.59 : 18,542.25 = 7,467.11 : x
  2. Step 2: Convert to fraction form
    13,435.59/18,542.25 = 7,467.11/x
  3. Step 3: Cross multiply
    13,435.59x = 18,542.25 × 7,467.11
  4. Step 4: Simplify right side
    13,435.59x = 138,456,927.69
  5. Step 5: Solve for x
    x = 138,456,927.69/13,435.59
  6. Step 6: Final answer
    x = 10,305.24

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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.