Home / 19,768.15-29,643.58-5,913.91

Finding the Fourth Proportional to 19,768.15, 29,643.58 and 5,913.91

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Solution

The fourth proportional to 19,768.15, 29,643.58 and 5,913.91 is: 8,868.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.15 : 29,643.58 = 5,913.91 : x
  2. Step 2: Convert to fraction form
    19,768.15/29,643.58 = 5,913.91/x
  3. Step 3: Cross multiply
    19,768.15x = 29,643.58 × 5,913.91
  4. Step 4: Simplify right side
    19,768.15x = 175,309,464.20
  5. Step 5: Solve for x
    x = 175,309,464.20/19,768.15
  6. Step 6: Final answer
    x = 8,868.28

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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.