Home / 18,090.72-24,960.68-10,436.33

Finding the Fourth Proportional to 18,090.72, 24,960.68 and 10,436.33

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Solution

The fourth proportional to 18,090.72, 24,960.68 and 10,436.33 is: 14,399.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.72 : 24,960.68 = 10,436.33 : x
  2. Step 2: Convert to fraction form
    18,090.72/24,960.68 = 10,436.33/x
  3. Step 3: Cross multiply
    18,090.72x = 24,960.68 × 10,436.33
  4. Step 4: Simplify right side
    18,090.72x = 260,497,903.72
  5. Step 5: Solve for x
    x = 260,497,903.72/18,090.72
  6. Step 6: Final answer
    x = 14,399.53

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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.