Home / 13,509.36-20,263.96-4,744.24

Finding the Fourth Proportional to 13,509.36, 20,263.96 and 4,744.24

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Solution

The fourth proportional to 13,509.36, 20,263.96 and 4,744.24 is: 7,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509.36 : 20,263.96 = 4,744.24 : x
  2. Step 2: Convert to fraction form
    13,509.36/20,263.96 = 4,744.24/x
  3. Step 3: Cross multiply
    13,509.36x = 20,263.96 × 4,744.24
  4. Step 4: Simplify right side
    13,509.36x = 96,137,089.59
  5. Step 5: Solve for x
    x = 96,137,089.59/13,509.36
  6. Step 6: Final answer
    x = 7,116.33

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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.