Home / 23,113.25-31,896.16-12,502.85

Finding the Fourth Proportional to 23,113.25, 31,896.16 and 12,502.85

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Solution

The fourth proportional to 23,113.25, 31,896.16 and 12,502.85 is: 17,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,113.25 : 31,896.16 = 12,502.85 : x
  2. Step 2: Convert to fraction form
    23,113.25/31,896.16 = 12,502.85/x
  3. Step 3: Cross multiply
    23,113.25x = 31,896.16 × 12,502.85
  4. Step 4: Simplify right side
    23,113.25x = 398,792,904.06
  5. Step 5: Solve for x
    x = 398,792,904.06/23,113.25
  6. Step 6: Final answer
    x = 17,253.87

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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.