Home / 26,056.80-39,085.20-11,255.40

Finding the Fourth Proportional to 26,056.80, 39,085.20 and 11,255.40

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Solution

The fourth proportional to 26,056.80, 39,085.20 and 11,255.40 is: 16,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,056.80 : 39,085.20 = 11,255.40 : x
  2. Step 2: Convert to fraction form
    26,056.80/39,085.20 = 11,255.40/x
  3. Step 3: Cross multiply
    26,056.80x = 39,085.20 × 11,255.40
  4. Step 4: Simplify right side
    26,056.80x = 439,919,560.08
  5. Step 5: Solve for x
    x = 439,919,560.08/26,056.80
  6. Step 6: Final answer
    x = 16,883.10

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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.