Home / 19,220.28-26,523.99-10,836.78

Finding the Fourth Proportional to 19,220.28, 26,523.99 and 10,836.78

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Solution

The fourth proportional to 19,220.28, 26,523.99 and 10,836.78 is: 14,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.28 : 26,523.99 = 10,836.78 : x
  2. Step 2: Convert to fraction form
    19,220.28/26,523.99 = 10,836.78/x
  3. Step 3: Cross multiply
    19,220.28x = 26,523.99 × 10,836.78
  4. Step 4: Simplify right side
    19,220.28x = 287,434,644.35
  5. Step 5: Solve for x
    x = 287,434,644.35/19,220.28
  6. Step 6: Final answer
    x = 14,954.76

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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.