Home / 14,194.72-19,589.70-7,907.32

Finding the Fourth Proportional to 14,194.72, 19,589.70 and 7,907.32

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Solution

The fourth proportional to 14,194.72, 19,589.70 and 7,907.32 is: 10,912.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194.72 : 19,589.70 = 7,907.32 : x
  2. Step 2: Convert to fraction form
    14,194.72/19,589.70 = 7,907.32/x
  3. Step 3: Cross multiply
    14,194.72x = 19,589.70 × 7,907.32
  4. Step 4: Simplify right side
    14,194.72x = 154,902,026.60
  5. Step 5: Solve for x
    x = 154,902,026.60/14,194.72
  6. Step 6: Final answer
    x = 10,912.65

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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.