Home / 17,060.10-23,621.67-15,747.90

Finding the Fourth Proportional to 17,060.10, 23,621.67 and 15,747.90

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Solution

The fourth proportional to 17,060.10, 23,621.67 and 15,747.90 is: 21,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,060.10 : 23,621.67 = 15,747.90 : x
  2. Step 2: Convert to fraction form
    17,060.10/23,621.67 = 15,747.90/x
  3. Step 3: Cross multiply
    17,060.10x = 23,621.67 × 15,747.90
  4. Step 4: Simplify right side
    17,060.10x = 371,991,696.99
  5. Step 5: Solve for x
    x = 371,991,696.99/17,060.10
  6. Step 6: Final answer
    x = 21,804.78

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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.