Home / 17,638.58-24,328.40-11,675.36

Finding the Fourth Proportional to 17,638.58, 24,328.40 and 11,675.36

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Solution

The fourth proportional to 17,638.58, 24,328.40 and 11,675.36 is: 16,103.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.58 : 24,328.40 = 11,675.36 : x
  2. Step 2: Convert to fraction form
    17,638.58/24,328.40 = 11,675.36/x
  3. Step 3: Cross multiply
    17,638.58x = 24,328.40 × 11,675.36
  4. Step 4: Simplify right side
    17,638.58x = 284,042,828.22
  5. Step 5: Solve for x
    x = 284,042,828.22/17,638.58
  6. Step 6: Final answer
    x = 16,103.50

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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.