Home / 43,943.34-65,926.25-12,778.59

Finding the Fourth Proportional to 43,943.34, 65,926.25 and 12,778.59

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Solution

The fourth proportional to 43,943.34, 65,926.25 and 12,778.59 is: 19,171.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,943.34 : 65,926.25 = 12,778.59 : x
  2. Step 2: Convert to fraction form
    43,943.34/65,926.25 = 12,778.59/x
  3. Step 3: Cross multiply
    43,943.34x = 65,926.25 × 12,778.59
  4. Step 4: Simplify right side
    43,943.34x = 842,444,822.12
  5. Step 5: Solve for x
    x = 842,444,822.12/43,943.34
  6. Step 6: Final answer
    x = 19,171.16

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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.