Home / 16,954.72-23,400.90-15,292.60

Finding the Fourth Proportional to 16,954.72, 23,400.90 and 15,292.60

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Solution

The fourth proportional to 16,954.72, 23,400.90 and 15,292.60 is: 21,106.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,954.72 : 23,400.90 = 15,292.60 : x
  2. Step 2: Convert to fraction form
    16,954.72/23,400.90 = 15,292.60/x
  3. Step 3: Cross multiply
    16,954.72x = 23,400.90 × 15,292.60
  4. Step 4: Simplify right side
    16,954.72x = 357,860,544.84
  5. Step 5: Solve for x
    x = 357,860,544.84/16,954.72
  6. Step 6: Final answer
    x = 21,106.84

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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.