Home / 16,986.29-23,442.57-9,914.99

Finding the Fourth Proportional to 16,986.29, 23,442.57 and 9,914.99

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Solution

The fourth proportional to 16,986.29, 23,442.57 and 9,914.99 is: 13,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.29 : 23,442.57 = 9,914.99 : x
  2. Step 2: Convert to fraction form
    16,986.29/23,442.57 = 9,914.99/x
  3. Step 3: Cross multiply
    16,986.29x = 23,442.57 × 9,914.99
  4. Step 4: Simplify right side
    16,986.29x = 232,432,847.12
  5. Step 5: Solve for x
    x = 232,432,847.12/16,986.29
  6. Step 6: Final answer
    x = 13,683.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.