Home / 26,119.74-36,017.68-18,558.20

Finding the Fourth Proportional to 26,119.74, 36,017.68 and 18,558.20

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Solution

The fourth proportional to 26,119.74, 36,017.68 and 18,558.20 is: 25,590.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,119.74 : 36,017.68 = 18,558.20 : x
  2. Step 2: Convert to fraction form
    26,119.74/36,017.68 = 18,558.20/x
  3. Step 3: Cross multiply
    26,119.74x = 36,017.68 × 18,558.20
  4. Step 4: Simplify right side
    26,119.74x = 668,423,308.98
  5. Step 5: Solve for x
    x = 668,423,308.98/26,119.74
  6. Step 6: Final answer
    x = 25,590.73

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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.