Home / 14,516.02-21,774.06-3,986.18

Finding the Fourth Proportional to 14,516.02, 21,774.06 and 3,986.18

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Solution

The fourth proportional to 14,516.02, 21,774.06 and 3,986.18 is: 5,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.02 : 21,774.06 = 3,986.18 : x
  2. Step 2: Convert to fraction form
    14,516.02/21,774.06 = 3,986.18/x
  3. Step 3: Cross multiply
    14,516.02x = 21,774.06 × 3,986.18
  4. Step 4: Simplify right side
    14,516.02x = 86,795,295.27
  5. Step 5: Solve for x
    x = 86,795,295.27/14,516.02
  6. Step 6: Final answer
    x = 5,979.28

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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.