Home / 14,960.45-20,646.65-8,246.81

Finding the Fourth Proportional to 14,960.45, 20,646.65 and 8,246.81

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Solution

The fourth proportional to 14,960.45, 20,646.65 and 8,246.81 is: 11,381.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,960.45 : 20,646.65 = 8,246.81 : x
  2. Step 2: Convert to fraction form
    14,960.45/20,646.65 = 8,246.81/x
  3. Step 3: Cross multiply
    14,960.45x = 20,646.65 × 8,246.81
  4. Step 4: Simplify right side
    14,960.45x = 170,269,025.53
  5. Step 5: Solve for x
    x = 170,269,025.53/14,960.45
  6. Step 6: Final answer
    x = 11,381.28

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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.