Home / 19,630.19-29,445.24-7,951.61

Finding the Fourth Proportional to 19,630.19, 29,445.24 and 7,951.61

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Solution

The fourth proportional to 19,630.19, 29,445.24 and 7,951.61 is: 11,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.19 : 29,445.24 = 7,951.61 : x
  2. Step 2: Convert to fraction form
    19,630.19/29,445.24 = 7,951.61/x
  3. Step 3: Cross multiply
    19,630.19x = 29,445.24 × 7,951.61
  4. Step 4: Simplify right side
    19,630.19x = 234,137,064.84
  5. Step 5: Solve for x
    x = 234,137,064.84/19,630.19
  6. Step 6: Final answer
    x = 11,927.40

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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.