Home / 14,921.56-20,584.86-9,542.62

Finding the Fourth Proportional to 14,921.56, 20,584.86 and 9,542.62

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Solution

The fourth proportional to 14,921.56, 20,584.86 and 9,542.62 is: 13,164.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,921.56 : 20,584.86 = 9,542.62 : x
  2. Step 2: Convert to fraction form
    14,921.56/20,584.86 = 9,542.62/x
  3. Step 3: Cross multiply
    14,921.56x = 20,584.86 × 9,542.62
  4. Step 4: Simplify right side
    14,921.56x = 196,433,393.81
  5. Step 5: Solve for x
    x = 196,433,393.81/14,921.56
  6. Step 6: Final answer
    x = 13,164.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.