Home / 23,126.73-31,916.38-13,051.49

Finding the Fourth Proportional to 23,126.73, 31,916.38 and 13,051.49

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Solution

The fourth proportional to 23,126.73, 31,916.38 and 13,051.49 is: 18,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,126.73 : 31,916.38 = 13,051.49 : x
  2. Step 2: Convert to fraction form
    23,126.73/31,916.38 = 13,051.49/x
  3. Step 3: Cross multiply
    23,126.73x = 31,916.38 × 13,051.49
  4. Step 4: Simplify right side
    23,126.73x = 416,556,371.08
  5. Step 5: Solve for x
    x = 416,556,371.08/23,126.73
  6. Step 6: Final answer
    x = 18,011.90

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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.