Home / 16,829.89-23,225.72-9,660.42

Finding the Fourth Proportional to 16,829.89, 23,225.72 and 9,660.42

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Solution

The fourth proportional to 16,829.89, 23,225.72 and 9,660.42 is: 13,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,829.89 : 23,225.72 = 9,660.42 : x
  2. Step 2: Convert to fraction form
    16,829.89/23,225.72 = 9,660.42/x
  3. Step 3: Cross multiply
    16,829.89x = 23,225.72 × 9,660.42
  4. Step 4: Simplify right side
    16,829.89x = 224,370,161.70
  5. Step 5: Solve for x
    x = 224,370,161.70/16,829.89
  6. Step 6: Final answer
    x = 13,331.65

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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.