Home / 23,131.08-31,918.74-14,176.80

Finding the Fourth Proportional to 23,131.08, 31,918.74 and 14,176.80

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Solution

The fourth proportional to 23,131.08, 31,918.74 and 14,176.80 is: 19,562.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131.08 : 31,918.74 = 14,176.80 : x
  2. Step 2: Convert to fraction form
    23,131.08/31,918.74 = 14,176.80/x
  3. Step 3: Cross multiply
    23,131.08x = 31,918.74 × 14,176.80
  4. Step 4: Simplify right side
    23,131.08x = 452,505,593.23
  5. Step 5: Solve for x
    x = 452,505,593.23/23,131.08
  6. Step 6: Final answer
    x = 19,562.67

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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.