Home / 25,693.20-35,390.62-18,126.18

Finding the Fourth Proportional to 25,693.20, 35,390.62 and 18,126.18

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Solution

The fourth proportional to 25,693.20, 35,390.62 and 18,126.18 is: 24,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,693.20 : 35,390.62 = 18,126.18 : x
  2. Step 2: Convert to fraction form
    25,693.20/35,390.62 = 18,126.18/x
  3. Step 3: Cross multiply
    25,693.20x = 35,390.62 × 18,126.18
  4. Step 4: Simplify right side
    25,693.20x = 641,496,771.09
  5. Step 5: Solve for x
    x = 641,496,771.09/25,693.20
  6. Step 6: Final answer
    x = 24,967.57

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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.