Home / 14,292.98-19,720.73-8,245.07

Finding the Fourth Proportional to 14,292.98, 19,720.73 and 8,245.07

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Solution

The fourth proportional to 14,292.98, 19,720.73 and 8,245.07 is: 11,376.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.98 : 19,720.73 = 8,245.07 : x
  2. Step 2: Convert to fraction form
    14,292.98/19,720.73 = 8,245.07/x
  3. Step 3: Cross multiply
    14,292.98x = 19,720.73 × 8,245.07
  4. Step 4: Simplify right side
    14,292.98x = 162,598,799.30
  5. Step 5: Solve for x
    x = 162,598,799.30/14,292.98
  6. Step 6: Final answer
    x = 11,376.13

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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.