Home / 14,040.75-19,376.33-7,667.18

Finding the Fourth Proportional to 14,040.75, 19,376.33 and 7,667.18

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Solution

The fourth proportional to 14,040.75, 19,376.33 and 7,667.18 is: 10,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.75 : 19,376.33 = 7,667.18 : x
  2. Step 2: Convert to fraction form
    14,040.75/19,376.33 = 7,667.18/x
  3. Step 3: Cross multiply
    14,040.75x = 19,376.33 × 7,667.18
  4. Step 4: Simplify right side
    14,040.75x = 148,561,790.42
  5. Step 5: Solve for x
    x = 148,561,790.42/14,040.75
  6. Step 6: Final answer
    x = 10,580.76

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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.