Home / 43,567.22-65,344.64-13,981.23

Finding the Fourth Proportional to 43,567.22, 65,344.64 and 13,981.23

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Solution

The fourth proportional to 43,567.22, 65,344.64 and 13,981.23 is: 20,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,567.22 : 65,344.64 = 13,981.23 : x
  2. Step 2: Convert to fraction form
    43,567.22/65,344.64 = 13,981.23/x
  3. Step 3: Cross multiply
    43,567.22x = 65,344.64 × 13,981.23
  4. Step 4: Simplify right side
    43,567.22x = 913,598,441.11
  5. Step 5: Solve for x
    x = 913,598,441.11/43,567.22
  6. Step 6: Final answer
    x = 20,969.86

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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.