Home / 16,651.38-24,989.40-7,886.32

Finding the Fourth Proportional to 16,651.38, 24,989.40 and 7,886.32

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Solution

The fourth proportional to 16,651.38, 24,989.40 and 7,886.32 is: 11,835.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,651.38 : 24,989.40 = 7,886.32 : x
  2. Step 2: Convert to fraction form
    16,651.38/24,989.40 = 7,886.32/x
  3. Step 3: Cross multiply
    16,651.38x = 24,989.40 × 7,886.32
  4. Step 4: Simplify right side
    16,651.38x = 197,074,497.89
  5. Step 5: Solve for x
    x = 197,074,497.89/16,651.38
  6. Step 6: Final answer
    x = 11,835.32

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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.