Home / 22,968.96-31,689.26-12,896.01

Finding the Fourth Proportional to 22,968.96, 31,689.26 and 12,896.01

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Solution

The fourth proportional to 22,968.96, 31,689.26 and 12,896.01 is: 17,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,968.96 : 31,689.26 = 12,896.01 : x
  2. Step 2: Convert to fraction form
    22,968.96/31,689.26 = 12,896.01/x
  3. Step 3: Cross multiply
    22,968.96x = 31,689.26 × 12,896.01
  4. Step 4: Simplify right side
    22,968.96x = 408,664,790.93
  5. Step 5: Solve for x
    x = 408,664,790.93/22,968.96
  6. Step 6: Final answer
    x = 17,792.05

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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.