Home / 13,461.06-20,191.95-3,600.32

Finding the Fourth Proportional to 13,461.06, 20,191.95 and 3,600.32

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Solution

The fourth proportional to 13,461.06, 20,191.95 and 3,600.32 is: 5,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.06 : 20,191.95 = 3,600.32 : x
  2. Step 2: Convert to fraction form
    13,461.06/20,191.95 = 3,600.32/x
  3. Step 3: Cross multiply
    13,461.06x = 20,191.95 × 3,600.32
  4. Step 4: Simplify right side
    13,461.06x = 72,697,481.42
  5. Step 5: Solve for x
    x = 72,697,481.42/13,461.06
  6. Step 6: Final answer
    x = 5,400.58

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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.