Home / 16,815.72-23,204.58-9,740.88

Finding the Fourth Proportional to 16,815.72, 23,204.58 and 9,740.88

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Solution

The fourth proportional to 16,815.72, 23,204.58 and 9,740.88 is: 13,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.72 : 23,204.58 = 9,740.88 : x
  2. Step 2: Convert to fraction form
    16,815.72/23,204.58 = 9,740.88/x
  3. Step 3: Cross multiply
    16,815.72x = 23,204.58 × 9,740.88
  4. Step 4: Simplify right side
    16,815.72x = 226,033,029.23
  5. Step 5: Solve for x
    x = 226,033,029.23/16,815.72
  6. Step 6: Final answer
    x = 13,441.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.