Home / 12,635.19-17,442.81-9,796.14

Finding the Fourth Proportional to 12,635.19, 17,442.81 and 9,796.14

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Solution

The fourth proportional to 12,635.19, 17,442.81 and 9,796.14 is: 13,523.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.19 : 17,442.81 = 9,796.14 : x
  2. Step 2: Convert to fraction form
    12,635.19/17,442.81 = 9,796.14/x
  3. Step 3: Cross multiply
    12,635.19x = 17,442.81 × 9,796.14
  4. Step 4: Simplify right side
    12,635.19x = 170,872,208.75
  5. Step 5: Solve for x
    x = 170,872,208.75/12,635.19
  6. Step 6: Final answer
    x = 13,523.52

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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.