Home / 16,765.12-25,144.35-8,322.81

Finding the Fourth Proportional to 16,765.12, 25,144.35 and 8,322.81

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Solution

The fourth proportional to 16,765.12, 25,144.35 and 8,322.81 is: 12,482.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.12 : 25,144.35 = 8,322.81 : x
  2. Step 2: Convert to fraction form
    16,765.12/25,144.35 = 8,322.81/x
  3. Step 3: Cross multiply
    16,765.12x = 25,144.35 × 8,322.81
  4. Step 4: Simplify right side
    16,765.12x = 209,271,647.62
  5. Step 5: Solve for x
    x = 209,271,647.62/16,765.12
  6. Step 6: Final answer
    x = 12,482.56

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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.