Home / 19,811.10-27,337.77-11,425.98

Finding the Fourth Proportional to 19,811.10, 27,337.77 and 11,425.98

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Solution

The fourth proportional to 19,811.10, 27,337.77 and 11,425.98 is: 15,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811.10 : 27,337.77 = 11,425.98 : x
  2. Step 2: Convert to fraction form
    19,811.10/27,337.77 = 11,425.98/x
  3. Step 3: Cross multiply
    19,811.10x = 27,337.77 × 11,425.98
  4. Step 4: Simplify right side
    19,811.10x = 312,360,813.26
  5. Step 5: Solve for x
    x = 312,360,813.26/19,811.10
  6. Step 6: Final answer
    x = 15,766.96

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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.