Home / 19,653.08-27,121.31-11,695.13

Finding the Fourth Proportional to 19,653.08, 27,121.31 and 11,695.13

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Solution

The fourth proportional to 19,653.08, 27,121.31 and 11,695.13 is: 16,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.08 : 27,121.31 = 11,695.13 : x
  2. Step 2: Convert to fraction form
    19,653.08/27,121.31 = 11,695.13/x
  3. Step 3: Cross multiply
    19,653.08x = 27,121.31 × 11,695.13
  4. Step 4: Simplify right side
    19,653.08x = 317,187,317.36
  5. Step 5: Solve for x
    x = 317,187,317.36/19,653.08
  6. Step 6: Final answer
    x = 16,139.32

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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.