Home / 19,986.56-27,584-12,024.96

Finding the Fourth Proportional to 19,986.56, 27,584 and 12,024.96

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Solution

The fourth proportional to 19,986.56, 27,584 and 12,024.96 is: 16,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.56 : 27,584 = 12,024.96 : x
  2. Step 2: Convert to fraction form
    19,986.56/27,584 = 12,024.96/x
  3. Step 3: Cross multiply
    19,986.56x = 27,584 × 12,024.96
  4. Step 4: Simplify right side
    19,986.56x = 331,696,496.64
  5. Step 5: Solve for x
    x = 331,696,496.64/19,986.56
  6. Step 6: Final answer
    x = 16,595.98

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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.