Home / 19,134.97-28,711.23-8,607.77

Finding the Fourth Proportional to 19,134.97, 28,711.23 and 8,607.77

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Solution

The fourth proportional to 19,134.97, 28,711.23 and 8,607.77 is: 12,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.97 : 28,711.23 = 8,607.77 : x
  2. Step 2: Convert to fraction form
    19,134.97/28,711.23 = 8,607.77/x
  3. Step 3: Cross multiply
    19,134.97x = 28,711.23 × 8,607.77
  4. Step 4: Simplify right side
    19,134.97x = 247,139,596.09
  5. Step 5: Solve for x
    x = 247,139,596.09/19,134.97
  6. Step 6: Final answer
    x = 12,915.60

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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.