Home / 48,573.22-72,859.96-13,512.88

Finding the Fourth Proportional to 48,573.22, 72,859.96 and 13,512.88

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Solution

The fourth proportional to 48,573.22, 72,859.96 and 13,512.88 is: 20,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,573.22 : 72,859.96 = 13,512.88 : x
  2. Step 2: Convert to fraction form
    48,573.22/72,859.96 = 13,512.88/x
  3. Step 3: Cross multiply
    48,573.22x = 72,859.96 × 13,512.88
  4. Step 4: Simplify right side
    48,573.22x = 984,547,896.28
  5. Step 5: Solve for x
    x = 984,547,896.28/48,573.22
  6. Step 6: Final answer
    x = 20,269.36

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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.