Home / 19,601.38-29,405.72-6,454.68

Finding the Fourth Proportional to 19,601.38, 29,405.72 and 6,454.68

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Solution

The fourth proportional to 19,601.38, 29,405.72 and 6,454.68 is: 9,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,601.38 : 29,405.72 = 6,454.68 : x
  2. Step 2: Convert to fraction form
    19,601.38/29,405.72 = 6,454.68/x
  3. Step 3: Cross multiply
    19,601.38x = 29,405.72 × 6,454.68
  4. Step 4: Simplify right side
    19,601.38x = 189,804,512.77
  5. Step 5: Solve for x
    x = 189,804,512.77/19,601.38
  6. Step 6: Final answer
    x = 9,683.22

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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.