Home / 19,043.64-28,565.15-5,192.64

Finding the Fourth Proportional to 19,043.64, 28,565.15 and 5,192.64

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Solution

The fourth proportional to 19,043.64, 28,565.15 and 5,192.64 is: 7,788.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.64 : 28,565.15 = 5,192.64 : x
  2. Step 2: Convert to fraction form
    19,043.64/28,565.15 = 5,192.64/x
  3. Step 3: Cross multiply
    19,043.64x = 28,565.15 × 5,192.64
  4. Step 4: Simplify right side
    19,043.64x = 148,328,540.50
  5. Step 5: Solve for x
    x = 148,328,540.50/19,043.64
  6. Step 6: Final answer
    x = 7,788.88

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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.