Home / 14,960.32-20,646.14-8,245.94

Finding the Fourth Proportional to 14,960.32, 20,646.14 and 8,245.94

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Solution

The fourth proportional to 14,960.32, 20,646.14 and 8,245.94 is: 11,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,960.32 : 20,646.14 = 8,245.94 : x
  2. Step 2: Convert to fraction form
    14,960.32/20,646.14 = 8,245.94/x
  3. Step 3: Cross multiply
    14,960.32x = 20,646.14 × 8,245.94
  4. Step 4: Simplify right side
    14,960.32x = 170,246,831.67
  5. Step 5: Solve for x
    x = 170,246,831.67/14,960.32
  6. Step 6: Final answer
    x = 11,379.89

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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.