Home / 26,387.24-39,581.36-12,343.48

Finding the Fourth Proportional to 26,387.24, 39,581.36 and 12,343.48

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Solution

The fourth proportional to 26,387.24, 39,581.36 and 12,343.48 is: 18,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.24 : 39,581.36 = 12,343.48 : x
  2. Step 2: Convert to fraction form
    26,387.24/39,581.36 = 12,343.48/x
  3. Step 3: Cross multiply
    26,387.24x = 39,581.36 × 12,343.48
  4. Step 4: Simplify right side
    26,387.24x = 488,571,725.53
  5. Step 5: Solve for x
    x = 488,571,725.53/26,387.24
  6. Step 6: Final answer
    x = 18,515.45

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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.