Home / 13,815.12-20,718.36-6,016.08

Finding the Fourth Proportional to 13,815.12, 20,718.36 and 6,016.08

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Solution

The fourth proportional to 13,815.12, 20,718.36 and 6,016.08 is: 9,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815.12 : 20,718.36 = 6,016.08 : x
  2. Step 2: Convert to fraction form
    13,815.12/20,718.36 = 6,016.08/x
  3. Step 3: Cross multiply
    13,815.12x = 20,718.36 × 6,016.08
  4. Step 4: Simplify right side
    13,815.12x = 124,643,311.23
  5. Step 5: Solve for x
    x = 124,643,311.23/13,815.12
  6. Step 6: Final answer
    x = 9,022.24

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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.