Home / 26,615.15-39,931.15-7,895.26

Finding the Fourth Proportional to 26,615.15, 39,931.15 and 7,895.26

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Solution

The fourth proportional to 26,615.15, 39,931.15 and 7,895.26 is: 11,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.15 : 39,931.15 = 7,895.26 : x
  2. Step 2: Convert to fraction form
    26,615.15/39,931.15 = 7,895.26/x
  3. Step 3: Cross multiply
    26,615.15x = 39,931.15 × 7,895.26
  4. Step 4: Simplify right side
    26,615.15x = 315,266,811.35
  5. Step 5: Solve for x
    x = 315,266,811.35/26,615.15
  6. Step 6: Final answer
    x = 11,845.39

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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.