Home / 13,901.33-20,848.86-6,397.69

Finding the Fourth Proportional to 13,901.33, 20,848.86 and 6,397.69

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Solution

The fourth proportional to 13,901.33, 20,848.86 and 6,397.69 is: 9,595.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.33 : 20,848.86 = 6,397.69 : x
  2. Step 2: Convert to fraction form
    13,901.33/20,848.86 = 6,397.69/x
  3. Step 3: Cross multiply
    13,901.33x = 20,848.86 × 6,397.69
  4. Step 4: Simplify right side
    13,901.33x = 133,384,515.00
  5. Step 5: Solve for x
    x = 133,384,515.00/13,901.33
  6. Step 6: Final answer
    x = 9,595.09

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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.