Home / 16,971.73-23,420.21-9,418.01

Finding the Fourth Proportional to 16,971.73, 23,420.21 and 9,418.01

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Solution

The fourth proportional to 16,971.73, 23,420.21 and 9,418.01 is: 12,996.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.73 : 23,420.21 = 9,418.01 : x
  2. Step 2: Convert to fraction form
    16,971.73/23,420.21 = 9,418.01/x
  3. Step 3: Cross multiply
    16,971.73x = 23,420.21 × 9,418.01
  4. Step 4: Simplify right side
    16,971.73x = 220,571,607.79
  5. Step 5: Solve for x
    x = 220,571,607.79/16,971.73
  6. Step 6: Final answer
    x = 12,996.41

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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.