Home / 16,919.80-23,345.58-9,467.80

Finding the Fourth Proportional to 16,919.80, 23,345.58 and 9,467.80

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Solution

The fourth proportional to 16,919.80, 23,345.58 and 9,467.80 is: 13,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.80 : 23,345.58 = 9,467.80 : x
  2. Step 2: Convert to fraction form
    16,919.80/23,345.58 = 9,467.80/x
  3. Step 3: Cross multiply
    16,919.80x = 23,345.58 × 9,467.80
  4. Step 4: Simplify right side
    16,919.80x = 221,031,282.32
  5. Step 5: Solve for x
    x = 221,031,282.32/16,919.80
  6. Step 6: Final answer
    x = 13,063.47

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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.