Home / 19,612.39-29,439.65-7,933.27

Finding the Fourth Proportional to 19,612.39, 29,439.65 and 7,933.27

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Solution

The fourth proportional to 19,612.39, 29,439.65 and 7,933.27 is: 11,908.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.39 : 29,439.65 = 7,933.27 : x
  2. Step 2: Convert to fraction form
    19,612.39/29,439.65 = 7,933.27/x
  3. Step 3: Cross multiply
    19,612.39x = 29,439.65 × 7,933.27
  4. Step 4: Simplify right side
    19,612.39x = 233,552,692.16
  5. Step 5: Solve for x
    x = 233,552,692.16/19,612.39
  6. Step 6: Final answer
    x = 11,908.43

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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.