Home / 14,335.25-19,783.15-7,961.94

Finding the Fourth Proportional to 14,335.25, 19,783.15 and 7,961.94

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Solution

The fourth proportional to 14,335.25, 19,783.15 and 7,961.94 is: 10,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,335.25 : 19,783.15 = 7,961.94 : x
  2. Step 2: Convert to fraction form
    14,335.25/19,783.15 = 7,961.94/x
  3. Step 3: Cross multiply
    14,335.25x = 19,783.15 × 7,961.94
  4. Step 4: Simplify right side
    14,335.25x = 157,512,213.50
  5. Step 5: Solve for x
    x = 157,512,213.50/14,335.25
  6. Step 6: Final answer
    x = 10,987.76

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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.