Home / 19,475.43-29,192.08-7,775.79

Finding the Fourth Proportional to 19,475.43, 29,192.08 and 7,775.79

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Solution

The fourth proportional to 19,475.43, 29,192.08 and 7,775.79 is: 11,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,475.43 : 29,192.08 = 7,775.79 : x
  2. Step 2: Convert to fraction form
    19,475.43/29,192.08 = 7,775.79/x
  3. Step 3: Cross multiply
    19,475.43x = 29,192.08 × 7,775.79
  4. Step 4: Simplify right side
    19,475.43x = 226,991,483.74
  5. Step 5: Solve for x
    x = 226,991,483.74/19,475.43
  6. Step 6: Final answer
    x = 11,655.27

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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.