Home / 43,635.06-65,451.29-12,047.05

Finding the Fourth Proportional to 43,635.06, 65,451.29 and 12,047.05

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Solution

The fourth proportional to 43,635.06, 65,451.29 and 12,047.05 is: 18,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,635.06 : 65,451.29 = 12,047.05 : x
  2. Step 2: Convert to fraction form
    43,635.06/65,451.29 = 12,047.05/x
  3. Step 3: Cross multiply
    43,635.06x = 65,451.29 × 12,047.05
  4. Step 4: Simplify right side
    43,635.06x = 788,494,616.61
  5. Step 5: Solve for x
    x = 788,494,616.61/43,635.06
  6. Step 6: Final answer
    x = 18,070.21

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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.