Home / 13,966.78-20,953.22-4,606.42

Finding the Fourth Proportional to 13,966.78, 20,953.22 and 4,606.42

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Solution

The fourth proportional to 13,966.78, 20,953.22 and 4,606.42 is: 6,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.78 : 20,953.22 = 4,606.42 : x
  2. Step 2: Convert to fraction form
    13,966.78/20,953.22 = 4,606.42/x
  3. Step 3: Cross multiply
    13,966.78x = 20,953.22 × 4,606.42
  4. Step 4: Simplify right side
    13,966.78x = 96,519,331.67
  5. Step 5: Solve for x
    x = 96,519,331.67/13,966.78
  6. Step 6: Final answer
    x = 6,910.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.