Home / 16,754.90-25,099.47-13,638.26

Finding the Fourth Proportional to 16,754.90, 25,099.47 and 13,638.26

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Solution

The fourth proportional to 16,754.90, 25,099.47 and 13,638.26 is: 20,430.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,754.90 : 25,099.47 = 13,638.26 : x
  2. Step 2: Convert to fraction form
    16,754.90/25,099.47 = 13,638.26/x
  3. Step 3: Cross multiply
    16,754.90x = 25,099.47 × 13,638.26
  4. Step 4: Simplify right side
    16,754.90x = 342,313,097.72
  5. Step 5: Solve for x
    x = 342,313,097.72/16,754.90
  6. Step 6: Final answer
    x = 20,430.63

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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.