Home / 26,848.99-40,212.15-12,818.88

Finding the Fourth Proportional to 26,848.99, 40,212.15 and 12,818.88

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Solution

The fourth proportional to 26,848.99, 40,212.15 and 12,818.88 is: 19,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,848.99 : 40,212.15 = 12,818.88 : x
  2. Step 2: Convert to fraction form
    26,848.99/40,212.15 = 12,818.88/x
  3. Step 3: Cross multiply
    26,848.99x = 40,212.15 × 12,818.88
  4. Step 4: Simplify right side
    26,848.99x = 515,474,725.39
  5. Step 5: Solve for x
    x = 515,474,725.39/26,848.99
  6. Step 6: Final answer
    x = 19,199.04

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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.