Home / 16,750.96-23,119.76-9,676.40

Finding the Fourth Proportional to 16,750.96, 23,119.76 and 9,676.40

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Solution

The fourth proportional to 16,750.96, 23,119.76 and 9,676.40 is: 13,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,750.96 : 23,119.76 = 9,676.40 : x
  2. Step 2: Convert to fraction form
    16,750.96/23,119.76 = 9,676.40/x
  3. Step 3: Cross multiply
    16,750.96x = 23,119.76 × 9,676.40
  4. Step 4: Simplify right side
    16,750.96x = 223,716,045.66
  5. Step 5: Solve for x
    x = 223,716,045.66/16,750.96
  6. Step 6: Final answer
    x = 13,355.42

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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.