Home / 24,986.21-34,480.89-13,655.71

Finding the Fourth Proportional to 24,986.21, 34,480.89 and 13,655.71

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Solution

The fourth proportional to 24,986.21, 34,480.89 and 13,655.71 is: 18,844.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,986.21 : 34,480.89 = 13,655.71 : x
  2. Step 2: Convert to fraction form
    24,986.21/34,480.89 = 13,655.71/x
  3. Step 3: Cross multiply
    24,986.21x = 34,480.89 × 13,655.71
  4. Step 4: Simplify right side
    24,986.21x = 470,860,941.14
  5. Step 5: Solve for x
    x = 470,860,941.14/24,986.21
  6. Step 6: Final answer
    x = 18,844.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.