Home / 14,370.98-19,825.44-10,385.78

Finding the Fourth Proportional to 14,370.98, 19,825.44 and 10,385.78

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Solution

The fourth proportional to 14,370.98, 19,825.44 and 10,385.78 is: 14,327.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.98 : 19,825.44 = 10,385.78 : x
  2. Step 2: Convert to fraction form
    14,370.98/19,825.44 = 10,385.78/x
  3. Step 3: Cross multiply
    14,370.98x = 19,825.44 × 10,385.78
  4. Step 4: Simplify right side
    14,370.98x = 205,902,658.24
  5. Step 5: Solve for x
    x = 205,902,658.24/14,370.98
  6. Step 6: Final answer
    x = 14,327.67

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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.