Home / 43,335.64-65,003.16-12,170.92

Finding the Fourth Proportional to 43,335.64, 65,003.16 and 12,170.92

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Solution

The fourth proportional to 43,335.64, 65,003.16 and 12,170.92 is: 18,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,335.64 : 65,003.16 = 12,170.92 : x
  2. Step 2: Convert to fraction form
    43,335.64/65,003.16 = 12,170.92/x
  3. Step 3: Cross multiply
    43,335.64x = 65,003.16 × 12,170.92
  4. Step 4: Simplify right side
    43,335.64x = 791,148,260.11
  5. Step 5: Solve for x
    x = 791,148,260.11/43,335.64
  6. Step 6: Final answer
    x = 18,256.30

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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.