Home / 19,655.48-29,483.04-7,965.92

Finding the Fourth Proportional to 19,655.48, 29,483.04 and 7,965.92

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Solution

The fourth proportional to 19,655.48, 29,483.04 and 7,965.92 is: 11,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.48 : 29,483.04 = 7,965.92 : x
  2. Step 2: Convert to fraction form
    19,655.48/29,483.04 = 7,965.92/x
  3. Step 3: Cross multiply
    19,655.48x = 29,483.04 × 7,965.92
  4. Step 4: Simplify right side
    19,655.48x = 234,859,538.00
  5. Step 5: Solve for x
    x = 234,859,538.00/19,655.48
  6. Step 6: Final answer
    x = 11,948.81

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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.