Home / 18,391.07-25,379.51-10,433.36

Finding the Fourth Proportional to 18,391.07, 25,379.51 and 10,433.36

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Solution

The fourth proportional to 18,391.07, 25,379.51 and 10,433.36 is: 14,397.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,391.07 : 25,379.51 = 10,433.36 : x
  2. Step 2: Convert to fraction form
    18,391.07/25,379.51 = 10,433.36/x
  3. Step 3: Cross multiply
    18,391.07x = 25,379.51 × 10,433.36
  4. Step 4: Simplify right side
    18,391.07x = 264,793,385.39
  5. Step 5: Solve for x
    x = 264,793,385.39/18,391.07
  6. Step 6: Final answer
    x = 14,397.94

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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.