Home / 19,089.83-28,623.24-8,557.95

Finding the Fourth Proportional to 19,089.83, 28,623.24 and 8,557.95

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Solution

The fourth proportional to 19,089.83, 28,623.24 and 8,557.95 is: 12,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.83 : 28,623.24 = 8,557.95 : x
  2. Step 2: Convert to fraction form
    19,089.83/28,623.24 = 8,557.95/x
  3. Step 3: Cross multiply
    19,089.83x = 28,623.24 × 8,557.95
  4. Step 4: Simplify right side
    19,089.83x = 244,956,122.59
  5. Step 5: Solve for x
    x = 244,956,122.59/19,089.83
  6. Step 6: Final answer
    x = 12,831.76

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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.