Home / 14,040.60-19,375.74-7,667.39

Finding the Fourth Proportional to 14,040.60, 19,375.74 and 7,667.39

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Solution

The fourth proportional to 14,040.60, 19,375.74 and 7,667.39 is: 10,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.60 : 19,375.74 = 7,667.39 : x
  2. Step 2: Convert to fraction form
    14,040.60/19,375.74 = 7,667.39/x
  3. Step 3: Cross multiply
    14,040.60x = 19,375.74 × 7,667.39
  4. Step 4: Simplify right side
    14,040.60x = 148,561,258.24
  5. Step 5: Solve for x
    x = 148,561,258.24/14,040.60
  6. Step 6: Final answer
    x = 10,580.83

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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.