Home / 14,268.99-19,696.73-12,774.32

Finding the Fourth Proportional to 14,268.99, 19,696.73 and 12,774.32

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Solution

The fourth proportional to 14,268.99, 19,696.73 and 12,774.32 is: 17,633.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.99 : 19,696.73 = 12,774.32 : x
  2. Step 2: Convert to fraction form
    14,268.99/19,696.73 = 12,774.32/x
  3. Step 3: Cross multiply
    14,268.99x = 19,696.73 × 12,774.32
  4. Step 4: Simplify right side
    14,268.99x = 251,612,265.43
  5. Step 5: Solve for x
    x = 251,612,265.43/14,268.99
  6. Step 6: Final answer
    x = 17,633.50

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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.