Home / 25,102.26-34,641.40-15,676.28

Finding the Fourth Proportional to 25,102.26, 34,641.40 and 15,676.28

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Solution

The fourth proportional to 25,102.26, 34,641.40 and 15,676.28 is: 21,633.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,102.26 : 34,641.40 = 15,676.28 : x
  2. Step 2: Convert to fraction form
    25,102.26/34,641.40 = 15,676.28/x
  3. Step 3: Cross multiply
    25,102.26x = 34,641.40 × 15,676.28
  4. Step 4: Simplify right side
    25,102.26x = 543,048,285.99
  5. Step 5: Solve for x
    x = 543,048,285.99/25,102.26
  6. Step 6: Final answer
    x = 21,633.44

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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.