Home / 19,557.20-29,338.08-8,466.64

Finding the Fourth Proportional to 19,557.20, 29,338.08 and 8,466.64

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Solution

The fourth proportional to 19,557.20, 29,338.08 and 8,466.64 is: 12,700.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.20 : 29,338.08 = 8,466.64 : x
  2. Step 2: Convert to fraction form
    19,557.20/29,338.08 = 8,466.64/x
  3. Step 3: Cross multiply
    19,557.20x = 29,338.08 × 8,466.64
  4. Step 4: Simplify right side
    19,557.20x = 248,394,961.65
  5. Step 5: Solve for x
    x = 248,394,961.65/19,557.20
  6. Step 6: Final answer
    x = 12,700.95

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1.5x scale

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.