Home / 26,281.31-39,407.36-8,741.57

Finding the Fourth Proportional to 26,281.31, 39,407.36 and 8,741.57

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Solution

The fourth proportional to 26,281.31, 39,407.36 and 8,741.57 is: 13,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,281.31 : 39,407.36 = 8,741.57 : x
  2. Step 2: Convert to fraction form
    26,281.31/39,407.36 = 8,741.57/x
  3. Step 3: Cross multiply
    26,281.31x = 39,407.36 × 8,741.57
  4. Step 4: Simplify right side
    26,281.31x = 344,481,955.21
  5. Step 5: Solve for x
    x = 344,481,955.21/26,281.31
  6. Step 6: Final answer
    x = 13,107.49

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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.