Home / 19,560.54-29,340.69-6,412.82

Finding the Fourth Proportional to 19,560.54, 29,340.69 and 6,412.82

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Solution

The fourth proportional to 19,560.54, 29,340.69 and 6,412.82 is: 9,619.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,560.54 : 29,340.69 = 6,412.82 : x
  2. Step 2: Convert to fraction form
    19,560.54/29,340.69 = 6,412.82/x
  3. Step 3: Cross multiply
    19,560.54x = 29,340.69 × 6,412.82
  4. Step 4: Simplify right side
    19,560.54x = 188,156,563.65
  5. Step 5: Solve for x
    x = 188,156,563.65/19,560.54
  6. Step 6: Final answer
    x = 9,619.19

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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.