Home / 14,113.17-19,475.91-8,144.55

Finding the Fourth Proportional to 14,113.17, 19,475.91 and 8,144.55

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Solution

The fourth proportional to 14,113.17, 19,475.91 and 8,144.55 is: 11,239.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.17 : 19,475.91 = 8,144.55 : x
  2. Step 2: Convert to fraction form
    14,113.17/19,475.91 = 8,144.55/x
  3. Step 3: Cross multiply
    14,113.17x = 19,475.91 × 8,144.55
  4. Step 4: Simplify right side
    14,113.17x = 158,622,522.79
  5. Step 5: Solve for x
    x = 158,622,522.79/14,113.17
  6. Step 6: Final answer
    x = 11,239.33

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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.