Home / 14,058.62-19,401.90-7,770.86

Finding the Fourth Proportional to 14,058.62, 19,401.90 and 7,770.86

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Solution

The fourth proportional to 14,058.62, 19,401.90 and 7,770.86 is: 10,724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.62 : 19,401.90 = 7,770.86 : x
  2. Step 2: Convert to fraction form
    14,058.62/19,401.90 = 7,770.86/x
  3. Step 3: Cross multiply
    14,058.62x = 19,401.90 × 7,770.86
  4. Step 4: Simplify right side
    14,058.62x = 150,769,448.63
  5. Step 5: Solve for x
    x = 150,769,448.63/14,058.62
  6. Step 6: Final answer
    x = 10,724.34

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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.