Home / 19,952.40-27,525.54-11,989.98

Finding the Fourth Proportional to 19,952.40, 27,525.54 and 11,989.98

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Solution

The fourth proportional to 19,952.40, 27,525.54 and 11,989.98 is: 16,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,952.40 : 27,525.54 = 11,989.98 : x
  2. Step 2: Convert to fraction form
    19,952.40/27,525.54 = 11,989.98/x
  3. Step 3: Cross multiply
    19,952.40x = 27,525.54 × 11,989.98
  4. Step 4: Simplify right side
    19,952.40x = 330,030,674.09
  5. Step 5: Solve for x
    x = 330,030,674.09/19,952.40
  6. Step 6: Final answer
    x = 16,540.90

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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.