Home / 19,425.96-29,133.90-5,571.72

Finding the Fourth Proportional to 19,425.96, 29,133.90 and 5,571.72

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Solution

The fourth proportional to 19,425.96, 29,133.90 and 5,571.72 is: 8,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.96 : 29,133.90 = 5,571.72 : x
  2. Step 2: Convert to fraction form
    19,425.96/29,133.90 = 5,571.72/x
  3. Step 3: Cross multiply
    19,425.96x = 29,133.90 × 5,571.72
  4. Step 4: Simplify right side
    19,425.96x = 162,325,933.31
  5. Step 5: Solve for x
    x = 162,325,933.31/19,425.96
  6. Step 6: Final answer
    x = 8,356.13

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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.