Home / 19,797.70-27,320.82-10,845.76

Finding the Fourth Proportional to 19,797.70, 27,320.82 and 10,845.76

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Solution

The fourth proportional to 19,797.70, 27,320.82 and 10,845.76 is: 14,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.70 : 27,320.82 = 10,845.76 : x
  2. Step 2: Convert to fraction form
    19,797.70/27,320.82 = 10,845.76/x
  3. Step 3: Cross multiply
    19,797.70x = 27,320.82 × 10,845.76
  4. Step 4: Simplify right side
    19,797.70x = 296,315,056.72
  5. Step 5: Solve for x
    x = 296,315,056.72/19,797.70
  6. Step 6: Final answer
    x = 14,967.15

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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.