Home / 13,981.97-19,295.91-8,014.63

Finding the Fourth Proportional to 13,981.97, 19,295.91 and 8,014.63

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Solution

The fourth proportional to 13,981.97, 19,295.91 and 8,014.63 is: 11,060.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.97 : 19,295.91 = 8,014.63 : x
  2. Step 2: Convert to fraction form
    13,981.97/19,295.91 = 8,014.63/x
  3. Step 3: Cross multiply
    13,981.97x = 19,295.91 × 8,014.63
  4. Step 4: Simplify right side
    13,981.97x = 154,649,579.16
  5. Step 5: Solve for x
    x = 154,649,579.16/13,981.97
  6. Step 6: Final answer
    x = 11,060.64

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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.