Home / 14,296.85-19,724.93-8,629.45

Finding the Fourth Proportional to 14,296.85, 19,724.93 and 8,629.45

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Solution

The fourth proportional to 14,296.85, 19,724.93 and 8,629.45 is: 11,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,296.85 : 19,724.93 = 8,629.45 : x
  2. Step 2: Convert to fraction form
    14,296.85/19,724.93 = 8,629.45/x
  3. Step 3: Cross multiply
    14,296.85x = 19,724.93 × 8,629.45
  4. Step 4: Simplify right side
    14,296.85x = 170,215,276.96
  5. Step 5: Solve for x
    x = 170,215,276.96/14,296.85
  6. Step 6: Final answer
    x = 11,905.79

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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.