Home / 14,189.77-19,583.76-9,168.59

Finding the Fourth Proportional to 14,189.77, 19,583.76 and 9,168.59

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Solution

The fourth proportional to 14,189.77, 19,583.76 and 9,168.59 is: 12,653.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.77 : 19,583.76 = 9,168.59 : x
  2. Step 2: Convert to fraction form
    14,189.77/19,583.76 = 9,168.59/x
  3. Step 3: Cross multiply
    14,189.77x = 19,583.76 × 9,168.59
  4. Step 4: Simplify right side
    14,189.77x = 179,555,395.91
  5. Step 5: Solve for x
    x = 179,555,395.91/14,189.77
  6. Step 6: Final answer
    x = 12,653.87

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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.