Home / 14,352.19-19,808.40-8,383.84

Finding the Fourth Proportional to 14,352.19, 19,808.40 and 8,383.84

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Solution

The fourth proportional to 14,352.19, 19,808.40 and 8,383.84 is: 11,571.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.19 : 19,808.40 = 8,383.84 : x
  2. Step 2: Convert to fraction form
    14,352.19/19,808.40 = 8,383.84/x
  3. Step 3: Cross multiply
    14,352.19x = 19,808.40 × 8,383.84
  4. Step 4: Simplify right side
    14,352.19x = 166,070,456.26
  5. Step 5: Solve for x
    x = 166,070,456.26/14,352.19
  6. Step 6: Final answer
    x = 11,571.09

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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.