Home / 16,948.13-23,396.54-11,916.63

Finding the Fourth Proportional to 16,948.13, 23,396.54 and 11,916.63

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Solution

The fourth proportional to 16,948.13, 23,396.54 and 11,916.63 is: 16,450.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,948.13 : 23,396.54 = 11,916.63 : x
  2. Step 2: Convert to fraction form
    16,948.13/23,396.54 = 11,916.63/x
  3. Step 3: Cross multiply
    16,948.13x = 23,396.54 × 11,916.63
  4. Step 4: Simplify right side
    16,948.13x = 278,807,850.88
  5. Step 5: Solve for x
    x = 278,807,850.88/16,948.13
  6. Step 6: Final answer
    x = 16,450.66

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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.