Home / 16,859.75-25,281.54-7,967.68

Finding the Fourth Proportional to 16,859.75, 25,281.54 and 7,967.68

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Solution

The fourth proportional to 16,859.75, 25,281.54 and 7,967.68 is: 11,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.75 : 25,281.54 = 7,967.68 : x
  2. Step 2: Convert to fraction form
    16,859.75/25,281.54 = 7,967.68/x
  3. Step 3: Cross multiply
    16,859.75x = 25,281.54 × 7,967.68
  4. Step 4: Simplify right side
    16,859.75x = 201,435,157.42
  5. Step 5: Solve for x
    x = 201,435,157.42/16,859.75
  6. Step 6: Final answer
    x = 11,947.70

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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.