Home / 25,729.22-38,571.64-9,945.33

Finding the Fourth Proportional to 25,729.22, 38,571.64 and 9,945.33

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Solution

The fourth proportional to 25,729.22, 38,571.64 and 9,945.33 is: 14,909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.22 : 38,571.64 = 9,945.33 : x
  2. Step 2: Convert to fraction form
    25,729.22/38,571.64 = 9,945.33/x
  3. Step 3: Cross multiply
    25,729.22x = 38,571.64 × 9,945.33
  4. Step 4: Simplify right side
    25,729.22x = 383,607,688.44
  5. Step 5: Solve for x
    x = 383,607,688.44/25,729.22
  6. Step 6: Final answer
    x = 14,909.42

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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.