Home / 16,895.25-23,326.38-15,123.78

Finding the Fourth Proportional to 16,895.25, 23,326.38 and 15,123.78

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Solution

The fourth proportional to 16,895.25, 23,326.38 and 15,123.78 is: 20,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.25 : 23,326.38 = 15,123.78 : x
  2. Step 2: Convert to fraction form
    16,895.25/23,326.38 = 15,123.78/x
  3. Step 3: Cross multiply
    16,895.25x = 23,326.38 × 15,123.78
  4. Step 4: Simplify right side
    16,895.25x = 352,783,039.32
  5. Step 5: Solve for x
    x = 352,783,039.32/16,895.25
  6. Step 6: Final answer
    x = 20,880.60

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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.