Home / 26,761.52-40,143.18-12,714.32

Finding the Fourth Proportional to 26,761.52, 40,143.18 and 12,714.32

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Solution

The fourth proportional to 26,761.52, 40,143.18 and 12,714.32 is: 19,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.52 : 40,143.18 = 12,714.32 : x
  2. Step 2: Convert to fraction form
    26,761.52/40,143.18 = 12,714.32/x
  3. Step 3: Cross multiply
    26,761.52x = 40,143.18 × 12,714.32
  4. Step 4: Simplify right side
    26,761.52x = 510,393,236.34
  5. Step 5: Solve for x
    x = 510,393,236.34/26,761.52
  6. Step 6: Final answer
    x = 19,071.91

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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.