Home / 16,880.47-23,290.74-11,493.16

Finding the Fourth Proportional to 16,880.47, 23,290.74 and 11,493.16

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Solution

The fourth proportional to 16,880.47, 23,290.74 and 11,493.16 is: 15,857.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.47 : 23,290.74 = 11,493.16 : x
  2. Step 2: Convert to fraction form
    16,880.47/23,290.74 = 11,493.16/x
  3. Step 3: Cross multiply
    16,880.47x = 23,290.74 × 11,493.16
  4. Step 4: Simplify right side
    16,880.47x = 267,684,201.34
  5. Step 5: Solve for x
    x = 267,684,201.34/16,880.47
  6. Step 6: Final answer
    x = 15,857.63

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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.