Home / 13,734.13-20,612.10-5,416.24

Finding the Fourth Proportional to 13,734.13, 20,612.10 and 5,416.24

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Solution

The fourth proportional to 13,734.13, 20,612.10 and 5,416.24 is: 8,128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.13 : 20,612.10 = 5,416.24 : x
  2. Step 2: Convert to fraction form
    13,734.13/20,612.10 = 5,416.24/x
  3. Step 3: Cross multiply
    13,734.13x = 20,612.10 × 5,416.24
  4. Step 4: Simplify right side
    13,734.13x = 111,640,080.50
  5. Step 5: Solve for x
    x = 111,640,080.50/13,734.13
  6. Step 6: Final answer
    x = 8,128.66

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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.