Home / 27,165.99-40,754.75-8,445.57

Finding the Fourth Proportional to 27,165.99, 40,754.75 and 8,445.57

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Solution

The fourth proportional to 27,165.99, 40,754.75 and 8,445.57 is: 12,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,165.99 : 40,754.75 = 8,445.57 : x
  2. Step 2: Convert to fraction form
    27,165.99/40,754.75 = 8,445.57/x
  3. Step 3: Cross multiply
    27,165.99x = 40,754.75 × 8,445.57
  4. Step 4: Simplify right side
    27,165.99x = 344,197,051.73
  5. Step 5: Solve for x
    x = 344,197,051.73/27,165.99
  6. Step 6: Final answer
    x = 12,670.15

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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.