Home / 14,130.82-19,498.26-8,163.28

Finding the Fourth Proportional to 14,130.82, 19,498.26 and 8,163.28

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Solution

The fourth proportional to 14,130.82, 19,498.26 and 8,163.28 is: 11,264.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.82 : 19,498.26 = 8,163.28 : x
  2. Step 2: Convert to fraction form
    14,130.82/19,498.26 = 8,163.28/x
  3. Step 3: Cross multiply
    14,130.82x = 19,498.26 × 8,163.28
  4. Step 4: Simplify right side
    14,130.82x = 159,169,755.89
  5. Step 5: Solve for x
    x = 159,169,755.89/14,130.82
  6. Step 6: Final answer
    x = 11,264.01

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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.