Home / 19,169.24-26,446.20-14,145.45

Finding the Fourth Proportional to 19,169.24, 26,446.20 and 14,145.45

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Solution

The fourth proportional to 19,169.24, 26,446.20 and 14,145.45 is: 19,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.24 : 26,446.20 = 14,145.45 : x
  2. Step 2: Convert to fraction form
    19,169.24/26,446.20 = 14,145.45/x
  3. Step 3: Cross multiply
    19,169.24x = 26,446.20 × 14,145.45
  4. Step 4: Simplify right side
    19,169.24x = 374,093,399.79
  5. Step 5: Solve for x
    x = 374,093,399.79/19,169.24
  6. Step 6: Final answer
    x = 19,515.30

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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.