Home / 23,157.03-31,957.94-13,085.90

Finding the Fourth Proportional to 23,157.03, 31,957.94 and 13,085.90

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Solution

The fourth proportional to 23,157.03, 31,957.94 and 13,085.90 is: 18,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,157.03 : 31,957.94 = 13,085.90 : x
  2. Step 2: Convert to fraction form
    23,157.03/31,957.94 = 13,085.90/x
  3. Step 3: Cross multiply
    23,157.03x = 31,957.94 × 13,085.90
  4. Step 4: Simplify right side
    23,157.03x = 418,198,279.97
  5. Step 5: Solve for x
    x = 418,198,279.97/23,157.03
  6. Step 6: Final answer
    x = 18,059.24

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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.