Home / 16,907.88-25,416.42-15,690.36

Finding the Fourth Proportional to 16,907.88, 25,416.42 and 15,690.36

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Solution

The fourth proportional to 16,907.88, 25,416.42 and 15,690.36 is: 23,586.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907.88 : 25,416.42 = 15,690.36 : x
  2. Step 2: Convert to fraction form
    16,907.88/25,416.42 = 15,690.36/x
  3. Step 3: Cross multiply
    16,907.88x = 25,416.42 × 15,690.36
  4. Step 4: Simplify right side
    16,907.88x = 398,792,779.71
  5. Step 5: Solve for x
    x = 398,792,779.71/16,907.88
  6. Step 6: Final answer
    x = 23,586.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.