Home / 26,403.88-39,607.74-8,866.60

Finding the Fourth Proportional to 26,403.88, 39,607.74 and 8,866.60

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Solution

The fourth proportional to 26,403.88, 39,607.74 and 8,866.60 is: 13,300.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403.88 : 39,607.74 = 8,866.60 : x
  2. Step 2: Convert to fraction form
    26,403.88/39,607.74 = 8,866.60/x
  3. Step 3: Cross multiply
    26,403.88x = 39,607.74 × 8,866.60
  4. Step 4: Simplify right side
    26,403.88x = 351,185,987.48
  5. Step 5: Solve for x
    x = 351,185,987.48/26,403.88
  6. Step 6: Final answer
    x = 13,300.54

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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.