Home / 14,121.08-19,486.44-7,833.32

Finding the Fourth Proportional to 14,121.08, 19,486.44 and 7,833.32

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Solution

The fourth proportional to 14,121.08, 19,486.44 and 7,833.32 is: 10,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.08 : 19,486.44 = 7,833.32 : x
  2. Step 2: Convert to fraction form
    14,121.08/19,486.44 = 7,833.32/x
  3. Step 3: Cross multiply
    14,121.08x = 19,486.44 × 7,833.32
  4. Step 4: Simplify right side
    14,121.08x = 152,643,520.18
  5. Step 5: Solve for x
    x = 152,643,520.18/14,121.08
  6. Step 6: Final answer
    x = 10,809.62

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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.