Home / 19,764.10-29,647.71-6,616.53

Finding the Fourth Proportional to 19,764.10, 29,647.71 and 6,616.53

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Solution

The fourth proportional to 19,764.10, 29,647.71 and 6,616.53 is: 9,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.10 : 29,647.71 = 6,616.53 : x
  2. Step 2: Convert to fraction form
    19,764.10/29,647.71 = 6,616.53/x
  3. Step 3: Cross multiply
    19,764.10x = 29,647.71 × 6,616.53
  4. Step 4: Simplify right side
    19,764.10x = 196,164,962.65
  5. Step 5: Solve for x
    x = 196,164,962.65/19,764.10
  6. Step 6: Final answer
    x = 9,925.32

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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.