Home / 19,959.75-27,548.10-11,576.25

Finding the Fourth Proportional to 19,959.75, 27,548.10 and 11,576.25

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Solution

The fourth proportional to 19,959.75, 27,548.10 and 11,576.25 is: 15,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.75 : 27,548.10 = 11,576.25 : x
  2. Step 2: Convert to fraction form
    19,959.75/27,548.10 = 11,576.25/x
  3. Step 3: Cross multiply
    19,959.75x = 27,548.10 × 11,576.25
  4. Step 4: Simplify right side
    19,959.75x = 318,903,692.63
  5. Step 5: Solve for x
    x = 318,903,692.63/19,959.75
  6. Step 6: Final answer
    x = 15,977.34

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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.