Home / 43,681.44-65,535.12-18,709.14

Finding the Fourth Proportional to 43,681.44, 65,535.12 and 18,709.14

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Solution

The fourth proportional to 43,681.44, 65,535.12 and 18,709.14 is: 28,069.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,681.44 : 65,535.12 = 18,709.14 : x
  2. Step 2: Convert to fraction form
    43,681.44/65,535.12 = 18,709.14/x
  3. Step 3: Cross multiply
    43,681.44x = 65,535.12 × 18,709.14
  4. Step 4: Simplify right side
    43,681.44x = 1,226,105,735.00
  5. Step 5: Solve for x
    x = 1,226,105,735.00/43,681.44
  6. Step 6: Final answer
    x = 28,069.26

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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.