Home / 19,472.38-29,216.94-6,328.78

Finding the Fourth Proportional to 19,472.38, 29,216.94 and 6,328.78

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Solution

The fourth proportional to 19,472.38, 29,216.94 and 6,328.78 is: 9,495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.38 : 29,216.94 = 6,328.78 : x
  2. Step 2: Convert to fraction form
    19,472.38/29,216.94 = 6,328.78/x
  3. Step 3: Cross multiply
    19,472.38x = 29,216.94 × 6,328.78
  4. Step 4: Simplify right side
    19,472.38x = 184,907,585.53
  5. Step 5: Solve for x
    x = 184,907,585.53/19,472.38
  6. Step 6: Final answer
    x = 9,495.89

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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.