Home / 15,860.86-23,758.97-7,515.58

Finding the Fourth Proportional to 15,860.86, 23,758.97 and 7,515.58

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Solution

The fourth proportional to 15,860.86, 23,758.97 and 7,515.58 is: 11,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,860.86 : 23,758.97 = 7,515.58 : x
  2. Step 2: Convert to fraction form
    15,860.86/23,758.97 = 7,515.58/x
  3. Step 3: Cross multiply
    15,860.86x = 23,758.97 × 7,515.58
  4. Step 4: Simplify right side
    15,860.86x = 178,562,439.75
  5. Step 5: Solve for x
    x = 178,562,439.75/15,860.86
  6. Step 6: Final answer
    x = 11,258.06

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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.