Home / 19,656.48-29,439.36-11,848.08

Finding the Fourth Proportional to 19,656.48, 29,439.36 and 11,848.08

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Solution

The fourth proportional to 19,656.48, 29,439.36 and 11,848.08 is: 17,744.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.48 : 29,439.36 = 11,848.08 : x
  2. Step 2: Convert to fraction form
    19,656.48/29,439.36 = 11,848.08/x
  3. Step 3: Cross multiply
    19,656.48x = 29,439.36 × 11,848.08
  4. Step 4: Simplify right side
    19,656.48x = 348,799,892.43
  5. Step 5: Solve for x
    x = 348,799,892.43/19,656.48
  6. Step 6: Final answer
    x = 17,744.78

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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.