Home / 14,961.12-20,646.22-8,588.75

Finding the Fourth Proportional to 14,961.12, 20,646.22 and 8,588.75

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Solution

The fourth proportional to 14,961.12, 20,646.22 and 8,588.75 is: 11,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.12 : 20,646.22 = 8,588.75 : x
  2. Step 2: Convert to fraction form
    14,961.12/20,646.22 = 8,588.75/x
  3. Step 3: Cross multiply
    14,961.12x = 20,646.22 × 8,588.75
  4. Step 4: Simplify right side
    14,961.12x = 177,325,118.30
  5. Step 5: Solve for x
    x = 177,325,118.30/14,961.12
  6. Step 6: Final answer
    x = 11,852.40

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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.