Home / 16,767.54-23,131.64-13,415.06

Finding the Fourth Proportional to 16,767.54, 23,131.64 and 13,415.06

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Solution

The fourth proportional to 16,767.54, 23,131.64 and 13,415.06 is: 18,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.54 : 23,131.64 = 13,415.06 : x
  2. Step 2: Convert to fraction form
    16,767.54/23,131.64 = 13,415.06/x
  3. Step 3: Cross multiply
    16,767.54x = 23,131.64 × 13,415.06
  4. Step 4: Simplify right side
    16,767.54x = 310,312,338.50
  5. Step 5: Solve for x
    x = 310,312,338.50/16,767.54
  6. Step 6: Final answer
    x = 18,506.73

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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.