Home / 27,333.12-40,959.78-12,117.33

Finding the Fourth Proportional to 27,333.12, 40,959.78 and 12,117.33

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Solution

The fourth proportional to 27,333.12, 40,959.78 and 12,117.33 is: 18,158.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,333.12 : 40,959.78 = 12,117.33 : x
  2. Step 2: Convert to fraction form
    27,333.12/40,959.78 = 12,117.33/x
  3. Step 3: Cross multiply
    27,333.12x = 40,959.78 × 12,117.33
  4. Step 4: Simplify right side
    27,333.12x = 496,323,170.99
  5. Step 5: Solve for x
    x = 496,323,170.99/27,333.12
  6. Step 6: Final answer
    x = 18,158.31

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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.