Home / 26,213.10-39,280.76-19,253.58

Finding the Fourth Proportional to 26,213.10, 39,280.76 and 19,253.58

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Solution

The fourth proportional to 26,213.10, 39,280.76 and 19,253.58 is: 28,851.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,213.10 : 39,280.76 = 19,253.58 : x
  2. Step 2: Convert to fraction form
    26,213.10/39,280.76 = 19,253.58/x
  3. Step 3: Cross multiply
    26,213.10x = 39,280.76 × 19,253.58
  4. Step 4: Simplify right side
    26,213.10x = 756,295,255.12
  5. Step 5: Solve for x
    x = 756,295,255.12/26,213.10
  6. Step 6: Final answer
    x = 28,851.81

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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.