Home / 25,161.57-34,722.58-13,830.82

Finding the Fourth Proportional to 25,161.57, 34,722.58 and 13,830.82

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Solution

The fourth proportional to 25,161.57, 34,722.58 and 13,830.82 is: 19,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,161.57 : 34,722.58 = 13,830.82 : x
  2. Step 2: Convert to fraction form
    25,161.57/34,722.58 = 13,830.82/x
  3. Step 3: Cross multiply
    25,161.57x = 34,722.58 × 13,830.82
  4. Step 4: Simplify right side
    25,161.57x = 480,241,771.57
  5. Step 5: Solve for x
    x = 480,241,771.57/25,161.57
  6. Step 6: Final answer
    x = 19,086.32

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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.