Home / 14,190.32-19,582.62-7,904.18

Finding the Fourth Proportional to 14,190.32, 19,582.62 and 7,904.18

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Solution

The fourth proportional to 14,190.32, 19,582.62 and 7,904.18 is: 10,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.32 : 19,582.62 = 7,904.18 : x
  2. Step 2: Convert to fraction form
    14,190.32/19,582.62 = 7,904.18/x
  3. Step 3: Cross multiply
    14,190.32x = 19,582.62 × 7,904.18
  4. Step 4: Simplify right side
    14,190.32x = 154,784,553.35
  5. Step 5: Solve for x
    x = 154,784,553.35/14,190.32
  6. Step 6: Final answer
    x = 10,907.76

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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.