Home / 26,276.08-36,199.38-18,303.88

Finding the Fourth Proportional to 26,276.08, 36,199.38 and 18,303.88

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Solution

The fourth proportional to 26,276.08, 36,199.38 and 18,303.88 is: 25,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,276.08 : 36,199.38 = 18,303.88 : x
  2. Step 2: Convert to fraction form
    26,276.08/36,199.38 = 18,303.88/x
  3. Step 3: Cross multiply
    26,276.08x = 36,199.38 × 18,303.88
  4. Step 4: Simplify right side
    26,276.08x = 662,589,107.59
  5. Step 5: Solve for x
    x = 662,589,107.59/26,276.08
  6. Step 6: Final answer
    x = 25,216.44

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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.