Home / 43,505.60-65,257.44-12,341.12

Finding the Fourth Proportional to 43,505.60, 65,257.44 and 12,341.12

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Solution

The fourth proportional to 43,505.60, 65,257.44 and 12,341.12 is: 18,511.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,505.60 : 65,257.44 = 12,341.12 : x
  2. Step 2: Convert to fraction form
    43,505.60/65,257.44 = 12,341.12/x
  3. Step 3: Cross multiply
    43,505.60x = 65,257.44 × 12,341.12
  4. Step 4: Simplify right side
    43,505.60x = 805,349,897.93
  5. Step 5: Solve for x
    x = 805,349,897.93/43,505.60
  6. Step 6: Final answer
    x = 18,511.41

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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.