Home / 26,959.30-40,429.35-12,175.30

Finding the Fourth Proportional to 26,959.30, 40,429.35 and 12,175.30

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Solution

The fourth proportional to 26,959.30, 40,429.35 and 12,175.30 is: 18,258.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,959.30 : 40,429.35 = 12,175.30 : x
  2. Step 2: Convert to fraction form
    26,959.30/40,429.35 = 12,175.30/x
  3. Step 3: Cross multiply
    26,959.30x = 40,429.35 × 12,175.30
  4. Step 4: Simplify right side
    26,959.30x = 492,239,465.06
  5. Step 5: Solve for x
    x = 492,239,465.06/26,959.30
  6. Step 6: Final answer
    x = 18,258.61

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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.