Home / 19,656.08-27,121.16-11,696.74

Finding the Fourth Proportional to 19,656.08, 27,121.16 and 11,696.74

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Solution

The fourth proportional to 19,656.08, 27,121.16 and 11,696.74 is: 16,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.08 : 27,121.16 = 11,696.74 : x
  2. Step 2: Convert to fraction form
    19,656.08/27,121.16 = 11,696.74/x
  3. Step 3: Cross multiply
    19,656.08x = 27,121.16 × 11,696.74
  4. Step 4: Simplify right side
    19,656.08x = 317,229,157.02
  5. Step 5: Solve for x
    x = 317,229,157.02/19,656.08
  6. Step 6: Final answer
    x = 16,138.98

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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.