Home / 14,905.36-20,552.34-9,520.48

Finding the Fourth Proportional to 14,905.36, 20,552.34 and 9,520.48

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Solution

The fourth proportional to 14,905.36, 20,552.34 and 9,520.48 is: 13,127.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.36 : 20,552.34 = 9,520.48 : x
  2. Step 2: Convert to fraction form
    14,905.36/20,552.34 = 9,520.48/x
  3. Step 3: Cross multiply
    14,905.36x = 20,552.34 × 9,520.48
  4. Step 4: Simplify right side
    14,905.36x = 195,668,141.92
  5. Step 5: Solve for x
    x = 195,668,141.92/14,905.36
  6. Step 6: Final answer
    x = 13,127.37

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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.