Home / 23,170.44-31,975.70-13,098.28

Finding the Fourth Proportional to 23,170.44, 31,975.70 and 13,098.28

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Solution

The fourth proportional to 23,170.44, 31,975.70 and 13,098.28 is: 18,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.44 : 31,975.70 = 13,098.28 : x
  2. Step 2: Convert to fraction form
    23,170.44/31,975.70 = 13,098.28/x
  3. Step 3: Cross multiply
    23,170.44x = 31,975.70 × 13,098.28
  4. Step 4: Simplify right side
    23,170.44x = 418,826,671.80
  5. Step 5: Solve for x
    x = 418,826,671.80/23,170.44
  6. Step 6: Final answer
    x = 18,075.90

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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.