Home / 18,821.25-25,973.37-10,437.75

Finding the Fourth Proportional to 18,821.25, 25,973.37 and 10,437.75

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Solution

The fourth proportional to 18,821.25, 25,973.37 and 10,437.75 is: 14,404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821.25 : 25,973.37 = 10,437.75 : x
  2. Step 2: Convert to fraction form
    18,821.25/25,973.37 = 10,437.75/x
  3. Step 3: Cross multiply
    18,821.25x = 25,973.37 × 10,437.75
  4. Step 4: Simplify right side
    18,821.25x = 271,103,542.72
  5. Step 5: Solve for x
    x = 271,103,542.72/18,821.25
  6. Step 6: Final answer
    x = 14,404.12

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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.