Home / 13,712.97-20,553.90-6,302.12

Finding the Fourth Proportional to 13,712.97, 20,553.90 and 6,302.12

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Solution

The fourth proportional to 13,712.97, 20,553.90 and 6,302.12 is: 9,446.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.97 : 20,553.90 = 6,302.12 : x
  2. Step 2: Convert to fraction form
    13,712.97/20,553.90 = 6,302.12/x
  3. Step 3: Cross multiply
    13,712.97x = 20,553.90 × 6,302.12
  4. Step 4: Simplify right side
    13,712.97x = 129,533,041.50
  5. Step 5: Solve for x
    x = 129,533,041.50/13,712.97
  6. Step 6: Final answer
    x = 9,446.02

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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.