Home / 16,513.50-24,771.84-5,420.22

Finding the Fourth Proportional to 16,513.50, 24,771.84 and 5,420.22

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Solution

The fourth proportional to 16,513.50, 24,771.84 and 5,420.22 is: 8,130.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,513.50 : 24,771.84 = 5,420.22 : x
  2. Step 2: Convert to fraction form
    16,513.50/24,771.84 = 5,420.22/x
  3. Step 3: Cross multiply
    16,513.50x = 24,771.84 × 5,420.22
  4. Step 4: Simplify right side
    16,513.50x = 134,268,822.60
  5. Step 5: Solve for x
    x = 134,268,822.60/16,513.50
  6. Step 6: Final answer
    x = 8,130.85

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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.