Home / 19,575.44-29,354.84-6,420.56

Finding the Fourth Proportional to 19,575.44, 29,354.84 and 6,420.56

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Solution

The fourth proportional to 19,575.44, 29,354.84 and 6,420.56 is: 9,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.44 : 29,354.84 = 6,420.56 : x
  2. Step 2: Convert to fraction form
    19,575.44/29,354.84 = 6,420.56/x
  3. Step 3: Cross multiply
    19,575.44x = 29,354.84 × 6,420.56
  4. Step 4: Simplify right side
    19,575.44x = 188,474,511.51
  5. Step 5: Solve for x
    x = 188,474,511.51/19,575.44
  6. Step 6: Final answer
    x = 9,628.11

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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.