Home / 14,012.08-19,336.82-7,724.68

Finding the Fourth Proportional to 14,012.08, 19,336.82 and 7,724.68

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Solution

The fourth proportional to 14,012.08, 19,336.82 and 7,724.68 is: 10,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.08 : 19,336.82 = 7,724.68 : x
  2. Step 2: Convert to fraction form
    14,012.08/19,336.82 = 7,724.68/x
  3. Step 3: Cross multiply
    14,012.08x = 19,336.82 × 7,724.68
  4. Step 4: Simplify right side
    14,012.08x = 149,370,746.72
  5. Step 5: Solve for x
    x = 149,370,746.72/14,012.08
  6. Step 6: Final answer
    x = 10,660.14

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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.