Home / 14,255.70-19,675.56-9,401.88

Finding the Fourth Proportional to 14,255.70, 19,675.56 and 9,401.88

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Solution

The fourth proportional to 14,255.70, 19,675.56 and 9,401.88 is: 12,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.70 : 19,675.56 = 9,401.88 : x
  2. Step 2: Convert to fraction form
    14,255.70/19,675.56 = 9,401.88/x
  3. Step 3: Cross multiply
    14,255.70x = 19,675.56 × 9,401.88
  4. Step 4: Simplify right side
    14,255.70x = 184,987,254.05
  5. Step 5: Solve for x
    x = 184,987,254.05/14,255.70
  6. Step 6: Final answer
    x = 12,976.37

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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.