Home / 13,607.04-20,409.01-4,720.73

Finding the Fourth Proportional to 13,607.04, 20,409.01 and 4,720.73

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Solution

The fourth proportional to 13,607.04, 20,409.01 and 4,720.73 is: 7,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607.04 : 20,409.01 = 4,720.73 : x
  2. Step 2: Convert to fraction form
    13,607.04/20,409.01 = 4,720.73/x
  3. Step 3: Cross multiply
    13,607.04x = 20,409.01 × 4,720.73
  4. Step 4: Simplify right side
    13,607.04x = 96,345,453.29
  5. Step 5: Solve for x
    x = 96,345,453.29/13,607.04
  6. Step 6: Final answer
    x = 7,080.56

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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.