Home / 14,012.10-19,336.53-7,724.34

Finding the Fourth Proportional to 14,012.10, 19,336.53 and 7,724.34

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Solution

The fourth proportional to 14,012.10, 19,336.53 and 7,724.34 is: 10,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.10 : 19,336.53 = 7,724.34 : x
  2. Step 2: Convert to fraction form
    14,012.10/19,336.53 = 7,724.34/x
  3. Step 3: Cross multiply
    14,012.10x = 19,336.53 × 7,724.34
  4. Step 4: Simplify right side
    14,012.10x = 149,361,932.14
  5. Step 5: Solve for x
    x = 149,361,932.14/14,012.10
  6. Step 6: Final answer
    x = 10,659.50

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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.