Home / 20,037.83-30,054.72-6,891.13

Finding the Fourth Proportional to 20,037.83, 30,054.72 and 6,891.13

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Solution

The fourth proportional to 20,037.83, 30,054.72 and 6,891.13 is: 10,335.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.83 : 30,054.72 = 6,891.13 : x
  2. Step 2: Convert to fraction form
    20,037.83/30,054.72 = 6,891.13/x
  3. Step 3: Cross multiply
    20,037.83x = 30,054.72 × 6,891.13
  4. Step 4: Simplify right side
    20,037.83x = 207,110,832.36
  5. Step 5: Solve for x
    x = 207,110,832.36/20,037.83
  6. Step 6: Final answer
    x = 10,335.99

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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.