Home / 17,858.82-24,618.34-11,877.78

Finding the Fourth Proportional to 17,858.82, 24,618.34 and 11,877.78

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Solution

The fourth proportional to 17,858.82, 24,618.34 and 11,877.78 is: 16,373.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,858.82 : 24,618.34 = 11,877.78 : x
  2. Step 2: Convert to fraction form
    17,858.82/24,618.34 = 11,877.78/x
  3. Step 3: Cross multiply
    17,858.82x = 24,618.34 × 11,877.78
  4. Step 4: Simplify right side
    17,858.82x = 292,411,226.49
  5. Step 5: Solve for x
    x = 292,411,226.49/17,858.82
  6. Step 6: Final answer
    x = 16,373.49

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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.