Home / 19,697.04-27,181.44-11,314.08

Finding the Fourth Proportional to 19,697.04, 27,181.44 and 11,314.08

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Solution

The fourth proportional to 19,697.04, 27,181.44 and 11,314.08 is: 15,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,697.04 : 27,181.44 = 11,314.08 : x
  2. Step 2: Convert to fraction form
    19,697.04/27,181.44 = 11,314.08/x
  3. Step 3: Cross multiply
    19,697.04x = 27,181.44 × 11,314.08
  4. Step 4: Simplify right side
    19,697.04x = 307,532,986.68
  5. Step 5: Solve for x
    x = 307,532,986.68/19,697.04
  6. Step 6: Final answer
    x = 15,613.16

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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.