Home / 18,960.03-28,457.63-9,606.66

Finding the Fourth Proportional to 18,960.03, 28,457.63 and 9,606.66

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Solution

The fourth proportional to 18,960.03, 28,457.63 and 9,606.66 is: 14,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960.03 : 28,457.63 = 9,606.66 : x
  2. Step 2: Convert to fraction form
    18,960.03/28,457.63 = 9,606.66/x
  3. Step 3: Cross multiply
    18,960.03x = 28,457.63 × 9,606.66
  4. Step 4: Simplify right side
    18,960.03x = 273,382,727.78
  5. Step 5: Solve for x
    x = 273,382,727.78/18,960.03
  6. Step 6: Final answer
    x = 14,418.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.