Home / 19,718.93-29,560.76-7,236.05

Finding the Fourth Proportional to 19,718.93, 29,560.76 and 7,236.05

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Solution

The fourth proportional to 19,718.93, 29,560.76 and 7,236.05 is: 10,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.93 : 29,560.76 = 7,236.05 : x
  2. Step 2: Convert to fraction form
    19,718.93/29,560.76 = 7,236.05/x
  3. Step 3: Cross multiply
    19,718.93x = 29,560.76 × 7,236.05
  4. Step 4: Simplify right side
    19,718.93x = 213,903,175.12
  5. Step 5: Solve for x
    x = 213,903,175.12/19,718.93
  6. Step 6: Final answer
    x = 10,847.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.