Home / 13,996.04-19,327.36-8,893.20

Finding the Fourth Proportional to 13,996.04, 19,327.36 and 8,893.20

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Solution

The fourth proportional to 13,996.04, 19,327.36 and 8,893.20 is: 12,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.04 : 19,327.36 = 8,893.20 : x
  2. Step 2: Convert to fraction form
    13,996.04/19,327.36 = 8,893.20/x
  3. Step 3: Cross multiply
    13,996.04x = 19,327.36 × 8,893.20
  4. Step 4: Simplify right side
    13,996.04x = 171,882,077.95
  5. Step 5: Solve for x
    x = 171,882,077.95/13,996.04
  6. Step 6: Final answer
    x = 12,280.76

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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.