Home / 19,120.06-26,382.99-10,621.54

Finding the Fourth Proportional to 19,120.06, 26,382.99 and 10,621.54

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Solution

The fourth proportional to 19,120.06, 26,382.99 and 10,621.54 is: 14,656.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.06 : 26,382.99 = 10,621.54 : x
  2. Step 2: Convert to fraction form
    19,120.06/26,382.99 = 10,621.54/x
  3. Step 3: Cross multiply
    19,120.06x = 26,382.99 × 10,621.54
  4. Step 4: Simplify right side
    19,120.06x = 280,227,983.60
  5. Step 5: Solve for x
    x = 280,227,983.60/19,120.06
  6. Step 6: Final answer
    x = 14,656.23

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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.