Home / 27,015.05-40,533.21-13,680.73

Finding the Fourth Proportional to 27,015.05, 40,533.21 and 13,680.73

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Solution

The fourth proportional to 27,015.05, 40,533.21 and 13,680.73 is: 20,526.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,015.05 : 40,533.21 = 13,680.73 : x
  2. Step 2: Convert to fraction form
    27,015.05/40,533.21 = 13,680.73/x
  3. Step 3: Cross multiply
    27,015.05x = 40,533.21 × 13,680.73
  4. Step 4: Simplify right side
    27,015.05x = 554,523,952.71
  5. Step 5: Solve for x
    x = 554,523,952.71/27,015.05
  6. Step 6: Final answer
    x = 20,526.48

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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.