Home / 15,174.73-20,941.16-8,460.23

Finding the Fourth Proportional to 15,174.73, 20,941.16 and 8,460.23

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Solution

The fourth proportional to 15,174.73, 20,941.16 and 8,460.23 is: 11,675.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.73 : 20,941.16 = 8,460.23 : x
  2. Step 2: Convert to fraction form
    15,174.73/20,941.16 = 8,460.23/x
  3. Step 3: Cross multiply
    15,174.73x = 20,941.16 × 8,460.23
  4. Step 4: Simplify right side
    15,174.73x = 177,166,883.06
  5. Step 5: Solve for x
    x = 177,166,883.06/15,174.73
  6. Step 6: Final answer
    x = 11,675.12

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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.