Home / 19,750.43-27,256.10-11,797.25

Finding the Fourth Proportional to 19,750.43, 27,256.10 and 11,797.25

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Solution

The fourth proportional to 19,750.43, 27,256.10 and 11,797.25 is: 16,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750.43 : 27,256.10 = 11,797.25 : x
  2. Step 2: Convert to fraction form
    19,750.43/27,256.10 = 11,797.25/x
  3. Step 3: Cross multiply
    19,750.43x = 27,256.10 × 11,797.25
  4. Step 4: Simplify right side
    19,750.43x = 321,546,830.46
  5. Step 5: Solve for x
    x = 321,546,830.46/19,750.43
  6. Step 6: Final answer
    x = 16,280.50

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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.