Home / 14,892.24-20,551.51-8,178.47

Finding the Fourth Proportional to 14,892.24, 20,551.51 and 8,178.47

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Solution

The fourth proportional to 14,892.24, 20,551.51 and 8,178.47 is: 11,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892.24 : 20,551.51 = 8,178.47 : x
  2. Step 2: Convert to fraction form
    14,892.24/20,551.51 = 8,178.47/x
  3. Step 3: Cross multiply
    14,892.24x = 20,551.51 × 8,178.47
  4. Step 4: Simplify right side
    14,892.24x = 168,079,846.52
  5. Step 5: Solve for x
    x = 168,079,846.52/14,892.24
  6. Step 6: Final answer
    x = 11,286.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.