Home / 34,281.48-51,451.32-13,519.56

Finding the Fourth Proportional to 34,281.48, 51,451.32 and 13,519.56

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Solution

The fourth proportional to 34,281.48, 51,451.32 and 13,519.56 is: 20,290.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,281.48 : 51,451.32 = 13,519.56 : x
  2. Step 2: Convert to fraction form
    34,281.48/51,451.32 = 13,519.56/x
  3. Step 3: Cross multiply
    34,281.48x = 51,451.32 × 13,519.56
  4. Step 4: Simplify right side
    34,281.48x = 695,599,207.82
  5. Step 5: Solve for x
    x = 695,599,207.82/34,281.48
  6. Step 6: Final answer
    x = 20,290.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.