Home / 43,832.40-65,748.60-12,670.80

Finding the Fourth Proportional to 43,832.40, 65,748.60 and 12,670.80

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Solution

The fourth proportional to 43,832.40, 65,748.60 and 12,670.80 is: 19,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,832.40 : 65,748.60 = 12,670.80 : x
  2. Step 2: Convert to fraction form
    43,832.40/65,748.60 = 12,670.80/x
  3. Step 3: Cross multiply
    43,832.40x = 65,748.60 × 12,670.80
  4. Step 4: Simplify right side
    43,832.40x = 833,087,360.88
  5. Step 5: Solve for x
    x = 833,087,360.88/43,832.40
  6. Step 6: Final answer
    x = 19,006.20

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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.