Home / 18,406.33-25,400.85-10,448.69

Finding the Fourth Proportional to 18,406.33, 25,400.85 and 10,448.69

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Solution

The fourth proportional to 18,406.33, 25,400.85 and 10,448.69 is: 14,419.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.33 : 25,400.85 = 10,448.69 : x
  2. Step 2: Convert to fraction form
    18,406.33/25,400.85 = 10,448.69/x
  3. Step 3: Cross multiply
    18,406.33x = 25,400.85 × 10,448.69
  4. Step 4: Simplify right side
    18,406.33x = 265,405,607.39
  5. Step 5: Solve for x
    x = 265,405,607.39/18,406.33
  6. Step 6: Final answer
    x = 14,419.26

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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.