Home / 20,522.94-28,324.29-12,567.12

Finding the Fourth Proportional to 20,522.94, 28,324.29 and 12,567.12

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Solution

The fourth proportional to 20,522.94, 28,324.29 and 12,567.12 is: 17,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.94 : 28,324.29 = 12,567.12 : x
  2. Step 2: Convert to fraction form
    20,522.94/28,324.29 = 12,567.12/x
  3. Step 3: Cross multiply
    20,522.94x = 28,324.29 × 12,567.12
  4. Step 4: Simplify right side
    20,522.94x = 355,954,751.34
  5. Step 5: Solve for x
    x = 355,954,751.34/20,522.94
  6. Step 6: Final answer
    x = 17,344.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.