Home / 16,899.24-25,352.70-5,213.40

Finding the Fourth Proportional to 16,899.24, 25,352.70 and 5,213.40

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Solution

The fourth proportional to 16,899.24, 25,352.70 and 5,213.40 is: 7,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.24 : 25,352.70 = 5,213.40 : x
  2. Step 2: Convert to fraction form
    16,899.24/25,352.70 = 5,213.40/x
  3. Step 3: Cross multiply
    16,899.24x = 25,352.70 × 5,213.40
  4. Step 4: Simplify right side
    16,899.24x = 132,173,766.18
  5. Step 5: Solve for x
    x = 132,173,766.18/16,899.24
  6. Step 6: Final answer
    x = 7,821.28

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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.