Home / 47,904.48-71,856.72-12,843.23

Finding the Fourth Proportional to 47,904.48, 71,856.72 and 12,843.23

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Solution

The fourth proportional to 47,904.48, 71,856.72 and 12,843.23 is: 19,264.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,904.48 : 71,856.72 = 12,843.23 : x
  2. Step 2: Convert to fraction form
    47,904.48/71,856.72 = 12,843.23/x
  3. Step 3: Cross multiply
    47,904.48x = 71,856.72 × 12,843.23
  4. Step 4: Simplify right side
    47,904.48x = 922,872,022.72
  5. Step 5: Solve for x
    x = 922,872,022.72/47,904.48
  6. Step 6: Final answer
    x = 19,264.84

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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.