Home / 14,148.20-19,523.94-7,860.98

Finding the Fourth Proportional to 14,148.20, 19,523.94 and 7,860.98

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Solution

The fourth proportional to 14,148.20, 19,523.94 and 7,860.98 is: 10,847.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.20 : 19,523.94 = 7,860.98 : x
  2. Step 2: Convert to fraction form
    14,148.20/19,523.94 = 7,860.98/x
  3. Step 3: Cross multiply
    14,148.20x = 19,523.94 × 7,860.98
  4. Step 4: Simplify right side
    14,148.20x = 153,477,301.86
  5. Step 5: Solve for x
    x = 153,477,301.86/14,148.20
  6. Step 6: Final answer
    x = 10,847.83

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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.