Home / 16,995.96-23,452.74-9,921.42

Finding the Fourth Proportional to 16,995.96, 23,452.74 and 9,921.42

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Solution

The fourth proportional to 16,995.96, 23,452.74 and 9,921.42 is: 13,690.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,995.96 : 23,452.74 = 9,921.42 : x
  2. Step 2: Convert to fraction form
    16,995.96/23,452.74 = 9,921.42/x
  3. Step 3: Cross multiply
    16,995.96x = 23,452.74 × 9,921.42
  4. Step 4: Simplify right side
    16,995.96x = 232,684,483.69
  5. Step 5: Solve for x
    x = 232,684,483.69/16,995.96
  6. Step 6: Final answer
    x = 13,690.58

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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.