Home / 19,113.72-28,674.18-8,583.49

Finding the Fourth Proportional to 19,113.72, 28,674.18 and 8,583.49

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Solution

The fourth proportional to 19,113.72, 28,674.18 and 8,583.49 is: 12,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.72 : 28,674.18 = 8,583.49 : x
  2. Step 2: Convert to fraction form
    19,113.72/28,674.18 = 8,583.49/x
  3. Step 3: Cross multiply
    19,113.72x = 28,674.18 × 8,583.49
  4. Step 4: Simplify right side
    19,113.72x = 246,124,537.29
  5. Step 5: Solve for x
    x = 246,124,537.29/19,113.72
  6. Step 6: Final answer
    x = 12,876.85

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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.