Home / 19,861.04-27,405.48-11,901.44

Finding the Fourth Proportional to 19,861.04, 27,405.48 and 11,901.44

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Solution

The fourth proportional to 19,861.04, 27,405.48 and 11,901.44 is: 16,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.04 : 27,405.48 = 11,901.44 : x
  2. Step 2: Convert to fraction form
    19,861.04/27,405.48 = 11,901.44/x
  3. Step 3: Cross multiply
    19,861.04x = 27,405.48 × 11,901.44
  4. Step 4: Simplify right side
    19,861.04x = 326,164,675.89
  5. Step 5: Solve for x
    x = 326,164,675.89/19,861.04
  6. Step 6: Final answer
    x = 16,422.34

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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.