Home / 19,963.20-27,548.37-11,459.46

Finding the Fourth Proportional to 19,963.20, 27,548.37 and 11,459.46

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Solution

The fourth proportional to 19,963.20, 27,548.37 and 11,459.46 is: 15,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.20 : 27,548.37 = 11,459.46 : x
  2. Step 2: Convert to fraction form
    19,963.20/27,548.37 = 11,459.46/x
  3. Step 3: Cross multiply
    19,963.20x = 27,548.37 × 11,459.46
  4. Step 4: Simplify right side
    19,963.20x = 315,689,444.08
  5. Step 5: Solve for x
    x = 315,689,444.08/19,963.20
  6. Step 6: Final answer
    x = 15,813.57

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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.