Home / 18,301.67-25,256.15-10,235.31

Finding the Fourth Proportional to 18,301.67, 25,256.15 and 10,235.31

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Solution

The fourth proportional to 18,301.67, 25,256.15 and 10,235.31 is: 14,124.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.67 : 25,256.15 = 10,235.31 : x
  2. Step 2: Convert to fraction form
    18,301.67/25,256.15 = 10,235.31/x
  3. Step 3: Cross multiply
    18,301.67x = 25,256.15 × 10,235.31
  4. Step 4: Simplify right side
    18,301.67x = 258,504,473.48
  5. Step 5: Solve for x
    x = 258,504,473.48/18,301.67
  6. Step 6: Final answer
    x = 14,124.64

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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.