Home / 43,664.88-65,501.28-12,076.92

Finding the Fourth Proportional to 43,664.88, 65,501.28 and 12,076.92

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Solution

The fourth proportional to 43,664.88, 65,501.28 and 12,076.92 is: 18,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,664.88 : 65,501.28 = 12,076.92 : x
  2. Step 2: Convert to fraction form
    43,664.88/65,501.28 = 12,076.92/x
  3. Step 3: Cross multiply
    43,664.88x = 65,501.28 × 12,076.92
  4. Step 4: Simplify right side
    43,664.88x = 791,053,718.46
  5. Step 5: Solve for x
    x = 791,053,718.46/43,664.88
  6. Step 6: Final answer
    x = 18,116.48

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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.