Home / 20,571.79-30,832.88-9,463.25

Finding the Fourth Proportional to 20,571.79, 30,832.88 and 9,463.25

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Solution

The fourth proportional to 20,571.79, 30,832.88 and 9,463.25 is: 14,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,571.79 : 30,832.88 = 9,463.25 : x
  2. Step 2: Convert to fraction form
    20,571.79/30,832.88 = 9,463.25/x
  3. Step 3: Cross multiply
    20,571.79x = 30,832.88 × 9,463.25
  4. Step 4: Simplify right side
    20,571.79x = 291,779,050.18
  5. Step 5: Solve for x
    x = 291,779,050.18/20,571.79
  6. Step 6: Final answer
    x = 14,183.46

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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.