Home / 13,661.27-20,501.64-10,544.39

Finding the Fourth Proportional to 13,661.27, 20,501.64 and 10,544.39

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Solution

The fourth proportional to 13,661.27, 20,501.64 and 10,544.39 is: 15,824.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661.27 : 20,501.64 = 10,544.39 : x
  2. Step 2: Convert to fraction form
    13,661.27/20,501.64 = 10,544.39/x
  3. Step 3: Cross multiply
    13,661.27x = 20,501.64 × 10,544.39
  4. Step 4: Simplify right side
    13,661.27x = 216,177,235.08
  5. Step 5: Solve for x
    x = 216,177,235.08/13,661.27
  6. Step 6: Final answer
    x = 15,824.10

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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.