Home / 27,108.45-40,662.63-13,964.58

Finding the Fourth Proportional to 27,108.45, 40,662.63 and 13,964.58

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Solution

The fourth proportional to 27,108.45, 40,662.63 and 13,964.58 is: 20,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.45 : 40,662.63 = 13,964.58 : x
  2. Step 2: Convert to fraction form
    27,108.45/40,662.63 = 13,964.58/x
  3. Step 3: Cross multiply
    27,108.45x = 40,662.63 × 13,964.58
  4. Step 4: Simplify right side
    27,108.45x = 567,836,549.65
  5. Step 5: Solve for x
    x = 567,836,549.65/27,108.45
  6. Step 6: Final answer
    x = 20,946.85

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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.