Home / 19,757.68-27,266.28-10,805.76

Finding the Fourth Proportional to 19,757.68, 27,266.28 and 10,805.76

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Solution

The fourth proportional to 19,757.68, 27,266.28 and 10,805.76 is: 14,912.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,757.68 : 27,266.28 = 10,805.76 : x
  2. Step 2: Convert to fraction form
    19,757.68/27,266.28 = 10,805.76/x
  3. Step 3: Cross multiply
    19,757.68x = 27,266.28 × 10,805.76
  4. Step 4: Simplify right side
    19,757.68x = 294,632,877.77
  5. Step 5: Solve for x
    x = 294,632,877.77/19,757.68
  6. Step 6: Final answer
    x = 14,912.32

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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.