Home / 18,620.08-25,695.06-10,236.52

Finding the Fourth Proportional to 18,620.08, 25,695.06 and 10,236.52

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Solution

The fourth proportional to 18,620.08, 25,695.06 and 10,236.52 is: 14,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620.08 : 25,695.06 = 10,236.52 : x
  2. Step 2: Convert to fraction form
    18,620.08/25,695.06 = 10,236.52/x
  3. Step 3: Cross multiply
    18,620.08x = 25,695.06 × 10,236.52
  4. Step 4: Simplify right side
    18,620.08x = 263,027,995.59
  5. Step 5: Solve for x
    x = 263,027,995.59/18,620.08
  6. Step 6: Final answer
    x = 14,126.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.