Home / 14,190.80-19,583.31-8,225.93

Finding the Fourth Proportional to 14,190.80, 19,583.31 and 8,225.93

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Solution

The fourth proportional to 14,190.80, 19,583.31 and 8,225.93 is: 11,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.80 : 19,583.31 = 8,225.93 : x
  2. Step 2: Convert to fraction form
    14,190.80/19,583.31 = 8,225.93/x
  3. Step 3: Cross multiply
    14,190.80x = 19,583.31 × 8,225.93
  4. Step 4: Simplify right side
    14,190.80x = 161,090,798.18
  5. Step 5: Solve for x
    x = 161,090,798.18/14,190.80
  6. Step 6: Final answer
    x = 11,351.78

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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.