Home / 19,776.15-29,655.57-5,921.91

Finding the Fourth Proportional to 19,776.15, 29,655.57 and 5,921.91

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Solution

The fourth proportional to 19,776.15, 29,655.57 and 5,921.91 is: 8,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.15 : 29,655.57 = 5,921.91 : x
  2. Step 2: Convert to fraction form
    19,776.15/29,655.57 = 5,921.91/x
  3. Step 3: Cross multiply
    19,776.15x = 29,655.57 × 5,921.91
  4. Step 4: Simplify right side
    19,776.15x = 175,617,616.54
  5. Step 5: Solve for x
    x = 175,617,616.54/19,776.15
  6. Step 6: Final answer
    x = 8,880.27

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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.