Home / 16,816.14-23,205.79-9,647.25

Finding the Fourth Proportional to 16,816.14, 23,205.79 and 9,647.25

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Solution

The fourth proportional to 16,816.14, 23,205.79 and 9,647.25 is: 13,312.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.14 : 23,205.79 = 9,647.25 : x
  2. Step 2: Convert to fraction form
    16,816.14/23,205.79 = 9,647.25/x
  3. Step 3: Cross multiply
    16,816.14x = 23,205.79 × 9,647.25
  4. Step 4: Simplify right side
    16,816.14x = 223,872,033.46
  5. Step 5: Solve for x
    x = 223,872,033.46/16,816.14
  6. Step 6: Final answer
    x = 13,312.93

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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.