Home / 19,432.77-29,142.94-8,336.47

Finding the Fourth Proportional to 19,432.77, 29,142.94 and 8,336.47

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Solution

The fourth proportional to 19,432.77, 29,142.94 and 8,336.47 is: 12,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.77 : 29,142.94 = 8,336.47 : x
  2. Step 2: Convert to fraction form
    19,432.77/29,142.94 = 8,336.47/x
  3. Step 3: Cross multiply
    19,432.77x = 29,142.94 × 8,336.47
  4. Step 4: Simplify right side
    19,432.77x = 242,949,245.02
  5. Step 5: Solve for x
    x = 242,949,245.02/19,432.77
  6. Step 6: Final answer
    x = 12,502.04

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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.