Home / 14,319.06-19,760.26-8,031.57

Finding the Fourth Proportional to 14,319.06, 19,760.26 and 8,031.57

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Solution

The fourth proportional to 14,319.06, 19,760.26 and 8,031.57 is: 11,083.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.06 : 19,760.26 = 8,031.57 : x
  2. Step 2: Convert to fraction form
    14,319.06/19,760.26 = 8,031.57/x
  3. Step 3: Cross multiply
    14,319.06x = 19,760.26 × 8,031.57
  4. Step 4: Simplify right side
    14,319.06x = 158,705,911.41
  5. Step 5: Solve for x
    x = 158,705,911.41/14,319.06
  6. Step 6: Final answer
    x = 11,083.54

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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.