Home / 13,710.51-20,565.75-3,322.26

Finding the Fourth Proportional to 13,710.51, 20,565.75 and 3,322.26

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Solution

The fourth proportional to 13,710.51, 20,565.75 and 3,322.26 is: 4,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.51 : 20,565.75 = 3,322.26 : x
  2. Step 2: Convert to fraction form
    13,710.51/20,565.75 = 3,322.26/x
  3. Step 3: Cross multiply
    13,710.51x = 20,565.75 × 3,322.26
  4. Step 4: Simplify right side
    13,710.51x = 68,324,768.60
  5. Step 5: Solve for x
    x = 68,324,768.60/13,710.51
  6. Step 6: Final answer
    x = 4,983.39

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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.