Home / 13,370.01-18,451.04-7,704.31

Finding the Fourth Proportional to 13,370.01, 18,451.04 and 7,704.31

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Solution

The fourth proportional to 13,370.01, 18,451.04 and 7,704.31 is: 10,632.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.01 : 18,451.04 = 7,704.31 : x
  2. Step 2: Convert to fraction form
    13,370.01/18,451.04 = 7,704.31/x
  3. Step 3: Cross multiply
    13,370.01x = 18,451.04 × 7,704.31
  4. Step 4: Simplify right side
    13,370.01x = 142,152,505.12
  5. Step 5: Solve for x
    x = 142,152,505.12/13,370.01
  6. Step 6: Final answer
    x = 10,632.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.