Home / 19,197.64-28,884.30-11,412.28

Finding the Fourth Proportional to 19,197.64, 28,884.30 and 11,412.28

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Solution

The fourth proportional to 19,197.64, 28,884.30 and 11,412.28 is: 17,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.64 : 28,884.30 = 11,412.28 : x
  2. Step 2: Convert to fraction form
    19,197.64/28,884.30 = 11,412.28/x
  3. Step 3: Cross multiply
    19,197.64x = 28,884.30 × 11,412.28
  4. Step 4: Simplify right side
    19,197.64x = 329,635,719.20
  5. Step 5: Solve for x
    x = 329,635,719.20/19,197.64
  6. Step 6: Final answer
    x = 17,170.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.