Home / 13,716.56-20,574.86-3,328.31

Finding the Fourth Proportional to 13,716.56, 20,574.86 and 3,328.31

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Solution

The fourth proportional to 13,716.56, 20,574.86 and 3,328.31 is: 4,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.56 : 20,574.86 = 3,328.31 : x
  2. Step 2: Convert to fraction form
    13,716.56/20,574.86 = 3,328.31/x
  3. Step 3: Cross multiply
    13,716.56x = 20,574.86 × 3,328.31
  4. Step 4: Simplify right side
    13,716.56x = 68,479,547.08
  5. Step 5: Solve for x
    x = 68,479,547.08/13,716.56
  6. Step 6: Final answer
    x = 4,992.47

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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.