Home / 19,557.12-29,340.24-6,409.44

Finding the Fourth Proportional to 19,557.12, 29,340.24 and 6,409.44

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Solution

The fourth proportional to 19,557.12, 29,340.24 and 6,409.44 is: 9,615.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.12 : 29,340.24 = 6,409.44 : x
  2. Step 2: Convert to fraction form
    19,557.12/29,340.24 = 6,409.44/x
  3. Step 3: Cross multiply
    19,557.12x = 29,340.24 × 6,409.44
  4. Step 4: Simplify right side
    19,557.12x = 188,054,507.87
  5. Step 5: Solve for x
    x = 188,054,507.87/19,557.12
  6. Step 6: Final answer
    x = 9,615.65

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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.