Home / 16,855.93-23,265.80-9,784.63

Finding the Fourth Proportional to 16,855.93, 23,265.80 and 9,784.63

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Solution

The fourth proportional to 16,855.93, 23,265.80 and 9,784.63 is: 13,505.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.93 : 23,265.80 = 9,784.63 : x
  2. Step 2: Convert to fraction form
    16,855.93/23,265.80 = 9,784.63/x
  3. Step 3: Cross multiply
    16,855.93x = 23,265.80 × 9,784.63
  4. Step 4: Simplify right side
    16,855.93x = 227,647,244.65
  5. Step 5: Solve for x
    x = 227,647,244.65/16,855.93
  6. Step 6: Final answer
    x = 13,505.47

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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.