Home / 14,234.08-19,643.13-7,860.49

Finding the Fourth Proportional to 14,234.08, 19,643.13 and 7,860.49

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Solution

The fourth proportional to 14,234.08, 19,643.13 and 7,860.49 is: 10,847.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.08 : 19,643.13 = 7,860.49 : x
  2. Step 2: Convert to fraction form
    14,234.08/19,643.13 = 7,860.49/x
  3. Step 3: Cross multiply
    14,234.08x = 19,643.13 × 7,860.49
  4. Step 4: Simplify right side
    14,234.08x = 154,404,710.43
  5. Step 5: Solve for x
    x = 154,404,710.43/14,234.08
  6. Step 6: Final answer
    x = 10,847.54

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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.