Home / 19,506.38-26,921.28-12,797.68

Finding the Fourth Proportional to 19,506.38, 26,921.28 and 12,797.68

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Solution

The fourth proportional to 19,506.38, 26,921.28 and 12,797.68 is: 17,662.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,506.38 : 26,921.28 = 12,797.68 : x
  2. Step 2: Convert to fraction form
    19,506.38/26,921.28 = 12,797.68/x
  3. Step 3: Cross multiply
    19,506.38x = 26,921.28 × 12,797.68
  4. Step 4: Simplify right side
    19,506.38x = 344,529,926.63
  5. Step 5: Solve for x
    x = 344,529,926.63/19,506.38
  6. Step 6: Final answer
    x = 17,662.42

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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.