Home / 26,658.42-40,012.02-13,519.86

Finding the Fourth Proportional to 26,658.42, 40,012.02 and 13,519.86

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Solution

The fourth proportional to 26,658.42, 40,012.02 and 13,519.86 is: 20,292.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,658.42 : 40,012.02 = 13,519.86 : x
  2. Step 2: Convert to fraction form
    26,658.42/40,012.02 = 13,519.86/x
  3. Step 3: Cross multiply
    26,658.42x = 40,012.02 × 13,519.86
  4. Step 4: Simplify right side
    26,658.42x = 540,956,908.72
  5. Step 5: Solve for x
    x = 540,956,908.72/26,658.42
  6. Step 6: Final answer
    x = 20,292.16

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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.