Home / 27,230.59-40,851.35-12,435.54

Finding the Fourth Proportional to 27,230.59, 40,851.35 and 12,435.54

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Solution

The fourth proportional to 27,230.59, 40,851.35 and 12,435.54 is: 18,655.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,230.59 : 40,851.35 = 12,435.54 : x
  2. Step 2: Convert to fraction form
    27,230.59/40,851.35 = 12,435.54/x
  3. Step 3: Cross multiply
    27,230.59x = 40,851.35 × 12,435.54
  4. Step 4: Simplify right side
    27,230.59x = 508,008,596.98
  5. Step 5: Solve for x
    x = 508,008,596.98/27,230.59
  6. Step 6: Final answer
    x = 18,655.81

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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.