Home / 14,054.55-19,396.30-8,389.54

Finding the Fourth Proportional to 14,054.55, 19,396.30 and 8,389.54

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Solution

The fourth proportional to 14,054.55, 19,396.30 and 8,389.54 is: 11,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.55 : 19,396.30 = 8,389.54 : x
  2. Step 2: Convert to fraction form
    14,054.55/19,396.30 = 8,389.54/x
  3. Step 3: Cross multiply
    14,054.55x = 19,396.30 × 8,389.54
  4. Step 4: Simplify right side
    14,054.55x = 162,725,960.08
  5. Step 5: Solve for x
    x = 162,725,960.08/14,054.55
  6. Step 6: Final answer
    x = 11,578.17

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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.