Home / 14,058.46-19,399.80-7,770.82

Finding the Fourth Proportional to 14,058.46, 19,399.80 and 7,770.82

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Solution

The fourth proportional to 14,058.46, 19,399.80 and 7,770.82 is: 10,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.46 : 19,399.80 = 7,770.82 : x
  2. Step 2: Convert to fraction form
    14,058.46/19,399.80 = 7,770.82/x
  3. Step 3: Cross multiply
    14,058.46x = 19,399.80 × 7,770.82
  4. Step 4: Simplify right side
    14,058.46x = 150,752,353.84
  5. Step 5: Solve for x
    x = 150,752,353.84/14,058.46
  6. Step 6: Final answer
    x = 10,723.25

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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.