Home / 13,605.24-20,412.26-6,674.88

Finding the Fourth Proportional to 13,605.24, 20,412.26 and 6,674.88

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Solution

The fourth proportional to 13,605.24, 20,412.26 and 6,674.88 is: 10,014.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605.24 : 20,412.26 = 6,674.88 : x
  2. Step 2: Convert to fraction form
    13,605.24/20,412.26 = 6,674.88/x
  3. Step 3: Cross multiply
    13,605.24x = 20,412.26 × 6,674.88
  4. Step 4: Simplify right side
    13,605.24x = 136,249,386.03
  5. Step 5: Solve for x
    x = 136,249,386.03/13,605.24
  6. Step 6: Final answer
    x = 10,014.48

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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.