Home / 13,966.74-19,273.92-9,259.86

Finding the Fourth Proportional to 13,966.74, 19,273.92 and 9,259.86

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Solution

The fourth proportional to 13,966.74, 19,273.92 and 9,259.86 is: 12,778.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.74 : 19,273.92 = 9,259.86 : x
  2. Step 2: Convert to fraction form
    13,966.74/19,273.92 = 9,259.86/x
  3. Step 3: Cross multiply
    13,966.74x = 19,273.92 × 9,259.86
  4. Step 4: Simplify right side
    13,966.74x = 178,473,800.85
  5. Step 5: Solve for x
    x = 178,473,800.85/13,966.74
  6. Step 6: Final answer
    x = 12,778.49

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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.