Home / 19,076.46-28,623.20-7,390.59

Finding the Fourth Proportional to 19,076.46, 28,623.20 and 7,390.59

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Solution

The fourth proportional to 19,076.46, 28,623.20 and 7,390.59 is: 11,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.46 : 28,623.20 = 7,390.59 : x
  2. Step 2: Convert to fraction form
    19,076.46/28,623.20 = 7,390.59/x
  3. Step 3: Cross multiply
    19,076.46x = 28,623.20 × 7,390.59
  4. Step 4: Simplify right side
    19,076.46x = 211,542,298.74
  5. Step 5: Solve for x
    x = 211,542,298.74/19,076.46
  6. Step 6: Final answer
    x = 11,089.18

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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.