Home / 14,622.14-20,178.67-8,334.92

Finding the Fourth Proportional to 14,622.14, 20,178.67 and 8,334.92

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Solution

The fourth proportional to 14,622.14, 20,178.67 and 8,334.92 is: 11,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.14 : 20,178.67 = 8,334.92 : x
  2. Step 2: Convert to fraction form
    14,622.14/20,178.67 = 8,334.92/x
  3. Step 3: Cross multiply
    14,622.14x = 20,178.67 × 8,334.92
  4. Step 4: Simplify right side
    14,622.14x = 168,187,478.43
  5. Step 5: Solve for x
    x = 168,187,478.43/14,622.14
  6. Step 6: Final answer
    x = 11,502.25

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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.