Home / 13,473.10-20,209.65-3,612.13

Finding the Fourth Proportional to 13,473.10, 20,209.65 and 3,612.13

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Solution

The fourth proportional to 13,473.10, 20,209.65 and 3,612.13 is: 5,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.10 : 20,209.65 = 3,612.13 : x
  2. Step 2: Convert to fraction form
    13,473.10/20,209.65 = 3,612.13/x
  3. Step 3: Cross multiply
    13,473.10x = 20,209.65 × 3,612.13
  4. Step 4: Simplify right side
    13,473.10x = 72,999,883.05
  5. Step 5: Solve for x
    x = 72,999,883.05/13,473.10
  6. Step 6: Final answer
    x = 5,418.20

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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.