Home / 16,851.09-23,254.51-9,399.09

Finding the Fourth Proportional to 16,851.09, 23,254.51 and 9,399.09

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Solution

The fourth proportional to 16,851.09, 23,254.51 and 9,399.09 is: 12,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.09 : 23,254.51 = 9,399.09 : x
  2. Step 2: Convert to fraction form
    16,851.09/23,254.51 = 9,399.09/x
  3. Step 3: Cross multiply
    16,851.09x = 23,254.51 × 9,399.09
  4. Step 4: Simplify right side
    16,851.09x = 218,571,313.73
  5. Step 5: Solve for x
    x = 218,571,313.73/16,851.09
  6. Step 6: Final answer
    x = 12,970.75

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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.