Home / 12,962.13-19,442.28-7,398.03

Finding the Fourth Proportional to 12,962.13, 19,442.28 and 7,398.03

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Solution

The fourth proportional to 12,962.13, 19,442.28 and 7,398.03 is: 11,096.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.13 : 19,442.28 = 7,398.03 : x
  2. Step 2: Convert to fraction form
    12,962.13/19,442.28 = 7,398.03/x
  3. Step 3: Cross multiply
    12,962.13x = 19,442.28 × 7,398.03
  4. Step 4: Simplify right side
    12,962.13x = 143,834,629.75
  5. Step 5: Solve for x
    x = 143,834,629.75/12,962.13
  6. Step 6: Final answer
    x = 11,096.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.