Home / 13,332.01-20,018.57-11,278.99

Finding the Fourth Proportional to 13,332.01, 20,018.57 and 11,278.99

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Solution

The fourth proportional to 13,332.01, 20,018.57 and 11,278.99 is: 16,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.01 : 20,018.57 = 11,278.99 : x
  2. Step 2: Convert to fraction form
    13,332.01/20,018.57 = 11,278.99/x
  3. Step 3: Cross multiply
    13,332.01x = 20,018.57 × 11,278.99
  4. Step 4: Simplify right side
    13,332.01x = 225,789,250.84
  5. Step 5: Solve for x
    x = 225,789,250.84/13,332.01
  6. Step 6: Final answer
    x = 16,935.87

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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.