Home / 26,848.42-40,272.79-9,079.21

Finding the Fourth Proportional to 26,848.42, 40,272.79 and 9,079.21

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Solution

The fourth proportional to 26,848.42, 40,272.79 and 9,079.21 is: 13,618.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,848.42 : 40,272.79 = 9,079.21 : x
  2. Step 2: Convert to fraction form
    26,848.42/40,272.79 = 9,079.21/x
  3. Step 3: Cross multiply
    26,848.42x = 40,272.79 × 9,079.21
  4. Step 4: Simplify right side
    26,848.42x = 365,644,870.94
  5. Step 5: Solve for x
    x = 365,644,870.94/26,848.42
  6. Step 6: Final answer
    x = 13,618.86

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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.