Home / 26,186.20-39,289.02-12,153.16

Finding the Fourth Proportional to 26,186.20, 39,289.02 and 12,153.16

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Solution

The fourth proportional to 26,186.20, 39,289.02 and 12,153.16 is: 18,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.20 : 39,289.02 = 12,153.16 : x
  2. Step 2: Convert to fraction form
    26,186.20/39,289.02 = 12,153.16/x
  3. Step 3: Cross multiply
    26,186.20x = 39,289.02 × 12,153.16
  4. Step 4: Simplify right side
    26,186.20x = 477,485,746.30
  5. Step 5: Solve for x
    x = 477,485,746.30/26,186.20
  6. Step 6: Final answer
    x = 18,234.25

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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.