Home / 26,907.66-40,361.52-12,864.39

Finding the Fourth Proportional to 26,907.66, 40,361.52 and 12,864.39

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Solution

The fourth proportional to 26,907.66, 40,361.52 and 12,864.39 is: 19,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,907.66 : 40,361.52 = 12,864.39 : x
  2. Step 2: Convert to fraction form
    26,907.66/40,361.52 = 12,864.39/x
  3. Step 3: Cross multiply
    26,907.66x = 40,361.52 × 12,864.39
  4. Step 4: Simplify right side
    26,907.66x = 519,226,231.16
  5. Step 5: Solve for x
    x = 519,226,231.16/26,907.66
  6. Step 6: Final answer
    x = 19,296.60

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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.