Home / 26,280.39-39,420.99-8,750.24

Finding the Fourth Proportional to 26,280.39, 39,420.99 and 8,750.24

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Solution

The fourth proportional to 26,280.39, 39,420.99 and 8,750.24 is: 13,125.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,280.39 : 39,420.99 = 8,750.24 : x
  2. Step 2: Convert to fraction form
    26,280.39/39,420.99 = 8,750.24/x
  3. Step 3: Cross multiply
    26,280.39x = 39,420.99 × 8,750.24
  4. Step 4: Simplify right side
    26,280.39x = 344,942,926.43
  5. Step 5: Solve for x
    x = 344,942,926.43/26,280.39
  6. Step 6: Final answer
    x = 13,125.49

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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.