Home / 14,628.64-20,186.40-8,659.84

Finding the Fourth Proportional to 14,628.64, 20,186.40 and 8,659.84

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Solution

The fourth proportional to 14,628.64, 20,186.40 and 8,659.84 is: 11,949.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.64 : 20,186.40 = 8,659.84 : x
  2. Step 2: Convert to fraction form
    14,628.64/20,186.40 = 8,659.84/x
  3. Step 3: Cross multiply
    14,628.64x = 20,186.40 × 8,659.84
  4. Step 4: Simplify right side
    14,628.64x = 174,810,994.18
  5. Step 5: Solve for x
    x = 174,810,994.18/14,628.64
  6. Step 6: Final answer
    x = 11,949.91

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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.