Home / 14,601.72-20,162.18-13,867.86

Finding the Fourth Proportional to 14,601.72, 20,162.18 and 13,867.86

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Solution

The fourth proportional to 14,601.72, 20,162.18 and 13,867.86 is: 19,148.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,601.72 : 20,162.18 = 13,867.86 : x
  2. Step 2: Convert to fraction form
    14,601.72/20,162.18 = 13,867.86/x
  3. Step 3: Cross multiply
    14,601.72x = 20,162.18 × 13,867.86
  4. Step 4: Simplify right side
    14,601.72x = 279,606,289.53
  5. Step 5: Solve for x
    x = 279,606,289.53/14,601.72
  6. Step 6: Final answer
    x = 19,148.86

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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.