Home / 14,140.91-19,517.99-8,176.32

Finding the Fourth Proportional to 14,140.91, 19,517.99 and 8,176.32

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Solution

The fourth proportional to 14,140.91, 19,517.99 and 8,176.32 is: 11,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.91 : 19,517.99 = 8,176.32 : x
  2. Step 2: Convert to fraction form
    14,140.91/19,517.99 = 8,176.32/x
  3. Step 3: Cross multiply
    14,140.91x = 19,517.99 × 8,176.32
  4. Step 4: Simplify right side
    14,140.91x = 159,585,291.12
  5. Step 5: Solve for x
    x = 159,585,291.12/14,140.91
  6. Step 6: Final answer
    x = 11,285.36

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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.