Home / 16,982.34-23,438.44-9,431.10

Finding the Fourth Proportional to 16,982.34, 23,438.44 and 9,431.10

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Solution

The fourth proportional to 16,982.34, 23,438.44 and 9,431.10 is: 13,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.34 : 23,438.44 = 9,431.10 : x
  2. Step 2: Convert to fraction form
    16,982.34/23,438.44 = 9,431.10/x
  3. Step 3: Cross multiply
    16,982.34x = 23,438.44 × 9,431.10
  4. Step 4: Simplify right side
    16,982.34x = 221,050,271.48
  5. Step 5: Solve for x
    x = 221,050,271.48/16,982.34
  6. Step 6: Final answer
    x = 13,016.48

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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.