Home / 27,342.80-41,014.20-18,011.60

Finding the Fourth Proportional to 27,342.80, 41,014.20 and 18,011.60

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Solution

The fourth proportional to 27,342.80, 41,014.20 and 18,011.60 is: 27,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,342.80 : 41,014.20 = 18,011.60 : x
  2. Step 2: Convert to fraction form
    27,342.80/41,014.20 = 18,011.60/x
  3. Step 3: Cross multiply
    27,342.80x = 41,014.20 × 18,011.60
  4. Step 4: Simplify right side
    27,342.80x = 738,731,364.72
  5. Step 5: Solve for x
    x = 738,731,364.72/27,342.80
  6. Step 6: Final answer
    x = 27,017.40

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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.