Home / 23,146.71-31,912.62-18,893.40

Finding the Fourth Proportional to 23,146.71, 31,912.62 and 18,893.40

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Solution

The fourth proportional to 23,146.71, 31,912.62 and 18,893.40 is: 26,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,146.71 : 31,912.62 = 18,893.40 : x
  2. Step 2: Convert to fraction form
    23,146.71/31,912.62 = 18,893.40/x
  3. Step 3: Cross multiply
    23,146.71x = 31,912.62 × 18,893.40
  4. Step 4: Simplify right side
    23,146.71x = 602,937,894.71
  5. Step 5: Solve for x
    x = 602,937,894.71/23,146.71
  6. Step 6: Final answer
    x = 26,048.54

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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.