Home / 19,415.66-29,116.10-6,933.36

Finding the Fourth Proportional to 19,415.66, 29,116.10 and 6,933.36

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Solution

The fourth proportional to 19,415.66, 29,116.10 and 6,933.36 is: 10,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.66 : 29,116.10 = 6,933.36 : x
  2. Step 2: Convert to fraction form
    19,415.66/29,116.10 = 6,933.36/x
  3. Step 3: Cross multiply
    19,415.66x = 29,116.10 × 6,933.36
  4. Step 4: Simplify right side
    19,415.66x = 201,872,403.10
  5. Step 5: Solve for x
    x = 201,872,403.10/19,415.66
  6. Step 6: Final answer
    x = 10,397.40

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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.