Home / 23,966.18-33,074.78-13,355.79

Finding the Fourth Proportional to 23,966.18, 33,074.78 and 13,355.79

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Solution

The fourth proportional to 23,966.18, 33,074.78 and 13,355.79 is: 18,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,966.18 : 33,074.78 = 13,355.79 : x
  2. Step 2: Convert to fraction form
    23,966.18/33,074.78 = 13,355.79/x
  3. Step 3: Cross multiply
    23,966.18x = 33,074.78 × 13,355.79
  4. Step 4: Simplify right side
    23,966.18x = 441,739,700.29
  5. Step 5: Solve for x
    x = 441,739,700.29/23,966.18
  6. Step 6: Final answer
    x = 18,431.80

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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.