Home / 27,165.74-40,754.37-8,445.32

Finding the Fourth Proportional to 27,165.74, 40,754.37 and 8,445.32

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Solution

The fourth proportional to 27,165.74, 40,754.37 and 8,445.32 is: 12,669.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,165.74 : 40,754.37 = 8,445.32 : x
  2. Step 2: Convert to fraction form
    27,165.74/40,754.37 = 8,445.32/x
  3. Step 3: Cross multiply
    27,165.74x = 40,754.37 × 8,445.32
  4. Step 4: Simplify right side
    27,165.74x = 344,183,696.05
  5. Step 5: Solve for x
    x = 344,183,696.05/27,165.74
  6. Step 6: Final answer
    x = 12,669.77

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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.