Home / 19,330.44-26,667-11,367.60

Finding the Fourth Proportional to 19,330.44, 26,667 and 11,367.60

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Solution

The fourth proportional to 19,330.44, 26,667 and 11,367.60 is: 15,681.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.44 : 26,667 = 11,367.60 : x
  2. Step 2: Convert to fraction form
    19,330.44/26,667 = 11,367.60/x
  3. Step 3: Cross multiply
    19,330.44x = 26,667 × 11,367.60
  4. Step 4: Simplify right side
    19,330.44x = 303,139,789.20
  5. Step 5: Solve for x
    x = 303,139,789.20/19,330.44
  6. Step 6: Final answer
    x = 15,681.99

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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.