Home / 19,176.50-28,740.51-8,635.29

Finding the Fourth Proportional to 19,176.50, 28,740.51 and 8,635.29

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Solution

The fourth proportional to 19,176.50, 28,740.51 and 8,635.29 is: 12,942.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.50 : 28,740.51 = 8,635.29 : x
  2. Step 2: Convert to fraction form
    19,176.50/28,740.51 = 8,635.29/x
  3. Step 3: Cross multiply
    19,176.50x = 28,740.51 × 8,635.29
  4. Step 4: Simplify right side
    19,176.50x = 248,182,638.60
  5. Step 5: Solve for x
    x = 248,182,638.60/19,176.50
  6. Step 6: Final answer
    x = 12,942.02

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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.