Home / 43,465.56-65,197.64-13,883.20

Finding the Fourth Proportional to 43,465.56, 65,197.64 and 13,883.20

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Solution

The fourth proportional to 43,465.56, 65,197.64 and 13,883.20 is: 20,824.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,465.56 : 65,197.64 = 13,883.20 : x
  2. Step 2: Convert to fraction form
    43,465.56/65,197.64 = 13,883.20/x
  3. Step 3: Cross multiply
    43,465.56x = 65,197.64 × 13,883.20
  4. Step 4: Simplify right side
    43,465.56x = 905,151,875.65
  5. Step 5: Solve for x
    x = 905,151,875.65/43,465.56
  6. Step 6: Final answer
    x = 20,824.58

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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.