Home / 13,884.85-20,826.69-5,000.41

Finding the Fourth Proportional to 13,884.85, 20,826.69 and 5,000.41

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Solution

The fourth proportional to 13,884.85, 20,826.69 and 5,000.41 is: 7,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.85 : 20,826.69 = 5,000.41 : x
  2. Step 2: Convert to fraction form
    13,884.85/20,826.69 = 5,000.41/x
  3. Step 3: Cross multiply
    13,884.85x = 20,826.69 × 5,000.41
  4. Step 4: Simplify right side
    13,884.85x = 104,141,988.94
  5. Step 5: Solve for x
    x = 104,141,988.94/13,884.85
  6. Step 6: Final answer
    x = 7,500.40

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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.