Home / 17,063.91-23,540.58-9,987.21

Finding the Fourth Proportional to 17,063.91, 23,540.58 and 9,987.21

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Solution

The fourth proportional to 17,063.91, 23,540.58 and 9,987.21 is: 13,777.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,063.91 : 23,540.58 = 9,987.21 : x
  2. Step 2: Convert to fraction form
    17,063.91/23,540.58 = 9,987.21/x
  3. Step 3: Cross multiply
    17,063.91x = 23,540.58 × 9,987.21
  4. Step 4: Simplify right side
    17,063.91x = 235,104,715.98
  5. Step 5: Solve for x
    x = 235,104,715.98/17,063.91
  6. Step 6: Final answer
    x = 13,777.89

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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.