Home / 19,412.18-29,131.73-8,883.49

Finding the Fourth Proportional to 19,412.18, 29,131.73 and 8,883.49

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Solution

The fourth proportional to 19,412.18, 29,131.73 and 8,883.49 is: 13,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.18 : 29,131.73 = 8,883.49 : x
  2. Step 2: Convert to fraction form
    19,412.18/29,131.73 = 8,883.49/x
  3. Step 3: Cross multiply
    19,412.18x = 29,131.73 × 8,883.49
  4. Step 4: Simplify right side
    19,412.18x = 258,791,432.14
  5. Step 5: Solve for x
    x = 258,791,432.14/19,412.18
  6. Step 6: Final answer
    x = 13,331.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.