Home / 13,573.94-20,349.56-9,422.05

Finding the Fourth Proportional to 13,573.94, 20,349.56 and 9,422.05

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Solution

The fourth proportional to 13,573.94, 20,349.56 and 9,422.05 is: 14,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.94 : 20,349.56 = 9,422.05 : x
  2. Step 2: Convert to fraction form
    13,573.94/20,349.56 = 9,422.05/x
  3. Step 3: Cross multiply
    13,573.94x = 20,349.56 × 9,422.05
  4. Step 4: Simplify right side
    13,573.94x = 191,734,544.48
  5. Step 5: Solve for x
    x = 191,734,544.48/13,573.94
  6. Step 6: Final answer
    x = 14,125.20

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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.