Home / 43,745.30-65,628.40-14,163.17

Finding the Fourth Proportional to 43,745.30, 65,628.40 and 14,163.17

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Solution

The fourth proportional to 43,745.30, 65,628.40 and 14,163.17 is: 21,248.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,745.30 : 65,628.40 = 14,163.17 : x
  2. Step 2: Convert to fraction form
    43,745.30/65,628.40 = 14,163.17/x
  3. Step 3: Cross multiply
    43,745.30x = 65,628.40 × 14,163.17
  4. Step 4: Simplify right side
    43,745.30x = 929,506,066.22
  5. Step 5: Solve for x
    x = 929,506,066.22/43,745.30
  6. Step 6: Final answer
    x = 21,248.13

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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.