Home / 14,268.87-19,695.91-8,305.55

Finding the Fourth Proportional to 14,268.87, 19,695.91 and 8,305.55

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Solution

The fourth proportional to 14,268.87, 19,695.91 and 8,305.55 is: 11,464.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.87 : 19,695.91 = 8,305.55 : x
  2. Step 2: Convert to fraction form
    14,268.87/19,695.91 = 8,305.55/x
  3. Step 3: Cross multiply
    14,268.87x = 19,695.91 × 8,305.55
  4. Step 4: Simplify right side
    14,268.87x = 163,585,385.32
  5. Step 5: Solve for x
    x = 163,585,385.32/14,268.87
  6. Step 6: Final answer
    x = 11,464.49

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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.