Home / 14,473.40-19,974.36-8,100.63

Finding the Fourth Proportional to 14,473.40, 19,974.36 and 8,100.63

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Solution

The fourth proportional to 14,473.40, 19,974.36 and 8,100.63 is: 11,179.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,473.40 : 19,974.36 = 8,100.63 : x
  2. Step 2: Convert to fraction form
    14,473.40/19,974.36 = 8,100.63/x
  3. Step 3: Cross multiply
    14,473.40x = 19,974.36 × 8,100.63
  4. Step 4: Simplify right side
    14,473.40x = 161,804,899.85
  5. Step 5: Solve for x
    x = 161,804,899.85/14,473.40
  6. Step 6: Final answer
    x = 11,179.47

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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.