Home / 19,655.19-29,477.62-13,414.04

Finding the Fourth Proportional to 19,655.19, 29,477.62 and 13,414.04

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Solution

The fourth proportional to 19,655.19, 29,477.62 and 13,414.04 is: 20,117.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.19 : 29,477.62 = 13,414.04 : x
  2. Step 2: Convert to fraction form
    19,655.19/29,477.62 = 13,414.04/x
  3. Step 3: Cross multiply
    19,655.19x = 29,477.62 × 13,414.04
  4. Step 4: Simplify right side
    19,655.19x = 395,413,953.71
  5. Step 5: Solve for x
    x = 395,413,953.71/19,655.19
  6. Step 6: Final answer
    x = 20,117.53

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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.