Home / 18,383.07-25,367.70-10,426.03

Finding the Fourth Proportional to 18,383.07, 25,367.70 and 10,426.03

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Solution

The fourth proportional to 18,383.07, 25,367.70 and 10,426.03 is: 14,387.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.07 : 25,367.70 = 10,426.03 : x
  2. Step 2: Convert to fraction form
    18,383.07/25,367.70 = 10,426.03/x
  3. Step 3: Cross multiply
    18,383.07x = 25,367.70 × 10,426.03
  4. Step 4: Simplify right side
    18,383.07x = 264,484,401.23
  5. Step 5: Solve for x
    x = 264,484,401.23/18,383.07
  6. Step 6: Final answer
    x = 14,387.39

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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.