Home / 14,081.87-19,432.60-8,031.98

Finding the Fourth Proportional to 14,081.87, 19,432.60 and 8,031.98

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Solution

The fourth proportional to 14,081.87, 19,432.60 and 8,031.98 is: 11,083.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.87 : 19,432.60 = 8,031.98 : x
  2. Step 2: Convert to fraction form
    14,081.87/19,432.60 = 8,031.98/x
  3. Step 3: Cross multiply
    14,081.87x = 19,432.60 × 8,031.98
  4. Step 4: Simplify right side
    14,081.87x = 156,082,117.23
  5. Step 5: Solve for x
    x = 156,082,117.23/14,081.87
  6. Step 6: Final answer
    x = 11,083.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.