Home / 14,221.56-19,625.62-7,848.21

Finding the Fourth Proportional to 14,221.56, 19,625.62 and 7,848.21

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Solution

The fourth proportional to 14,221.56, 19,625.62 and 7,848.21 is: 10,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.56 : 19,625.62 = 7,848.21 : x
  2. Step 2: Convert to fraction form
    14,221.56/19,625.62 = 7,848.21/x
  3. Step 3: Cross multiply
    14,221.56x = 19,625.62 × 7,848.21
  4. Step 4: Simplify right side
    14,221.56x = 154,025,992.05
  5. Step 5: Solve for x
    x = 154,025,992.05/14,221.56
  6. Step 6: Final answer
    x = 10,830.46

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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.