Home / 25,184.51-34,755.21-13,854.63

Finding the Fourth Proportional to 25,184.51, 34,755.21 and 13,854.63

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Solution

The fourth proportional to 25,184.51, 34,755.21 and 13,854.63 is: 19,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,184.51 : 34,755.21 = 13,854.63 : x
  2. Step 2: Convert to fraction form
    25,184.51/34,755.21 = 13,854.63/x
  3. Step 3: Cross multiply
    25,184.51x = 34,755.21 × 13,854.63
  4. Step 4: Simplify right side
    25,184.51x = 481,520,575.12
  5. Step 5: Solve for x
    x = 481,520,575.12/25,184.51
  6. Step 6: Final answer
    x = 19,119.71

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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.