Home / 43,170.56-64,764.48-13,592.96

Finding the Fourth Proportional to 43,170.56, 64,764.48 and 13,592.96

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Solution

The fourth proportional to 43,170.56, 64,764.48 and 13,592.96 is: 20,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,170.56 : 64,764.48 = 13,592.96 : x
  2. Step 2: Convert to fraction form
    43,170.56/64,764.48 = 13,592.96/x
  3. Step 3: Cross multiply
    43,170.56x = 64,764.48 × 13,592.96
  4. Step 4: Simplify right side
    43,170.56x = 880,340,986.06
  5. Step 5: Solve for x
    x = 880,340,986.06/43,170.56
  6. Step 6: Final answer
    x = 20,392.16

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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.