Home / 69,421.17-104,132.09-16,830.65

Finding the Fourth Proportional to 69,421.17, 104,132.09 and 16,830.65

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Solution

The fourth proportional to 69,421.17, 104,132.09 and 16,830.65 is: 25,246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,421.17 : 104,132.09 = 16,830.65 : x
  2. Step 2: Convert to fraction form
    69,421.17/104,132.09 = 16,830.65/x
  3. Step 3: Cross multiply
    69,421.17x = 104,132.09 × 16,830.65
  4. Step 4: Simplify right side
    69,421.17x = 1,752,610,760.56
  5. Step 5: Solve for x
    x = 1,752,610,760.56/69,421.17
  6. Step 6: Final answer
    x = 25,246.06

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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.