Home / 15,278.72-22,876.92-10,000.64

Finding the Fourth Proportional to 15,278.72, 22,876.92 and 10,000.64

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Solution

The fourth proportional to 15,278.72, 22,876.92 and 10,000.64 is: 14,974.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.72 : 22,876.92 = 10,000.64 : x
  2. Step 2: Convert to fraction form
    15,278.72/22,876.92 = 10,000.64/x
  3. Step 3: Cross multiply
    15,278.72x = 22,876.92 × 10,000.64
  4. Step 4: Simplify right side
    15,278.72x = 228,783,841.23
  5. Step 5: Solve for x
    x = 228,783,841.23/15,278.72
  6. Step 6: Final answer
    x = 14,974.02

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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.