Home / 26,327.54-39,485.90-9,681.78

Finding the Fourth Proportional to 26,327.54, 39,485.90 and 9,681.78

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Solution

The fourth proportional to 26,327.54, 39,485.90 and 9,681.78 is: 14,520.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,327.54 : 39,485.90 = 9,681.78 : x
  2. Step 2: Convert to fraction form
    26,327.54/39,485.90 = 9,681.78/x
  3. Step 3: Cross multiply
    26,327.54x = 39,485.90 × 9,681.78
  4. Step 4: Simplify right side
    26,327.54x = 382,293,796.90
  5. Step 5: Solve for x
    x = 382,293,796.90/26,327.54
  6. Step 6: Final answer
    x = 14,520.68

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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.