Home / 16,812.68-23,201.31-9,258.89

Finding the Fourth Proportional to 16,812.68, 23,201.31 and 9,258.89

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Solution

The fourth proportional to 16,812.68, 23,201.31 and 9,258.89 is: 12,777.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.68 : 23,201.31 = 9,258.89 : x
  2. Step 2: Convert to fraction form
    16,812.68/23,201.31 = 9,258.89/x
  3. Step 3: Cross multiply
    16,812.68x = 23,201.31 × 9,258.89
  4. Step 4: Simplify right side
    16,812.68x = 214,818,261.14
  5. Step 5: Solve for x
    x = 214,818,261.14/16,812.68
  6. Step 6: Final answer
    x = 12,777.16

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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.