Home / 14,076.75-19,425.92-7,790.07

Finding the Fourth Proportional to 14,076.75, 19,425.92 and 7,790.07

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Solution

The fourth proportional to 14,076.75, 19,425.92 and 7,790.07 is: 10,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.75 : 19,425.92 = 7,790.07 : x
  2. Step 2: Convert to fraction form
    14,076.75/19,425.92 = 7,790.07/x
  3. Step 3: Cross multiply
    14,076.75x = 19,425.92 × 7,790.07
  4. Step 4: Simplify right side
    14,076.75x = 151,329,237.66
  5. Step 5: Solve for x
    x = 151,329,237.66/14,076.75
  6. Step 6: Final answer
    x = 10,750.30

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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.