Home / 19,609.21-29,414.51-6,280.47

Finding the Fourth Proportional to 19,609.21, 29,414.51 and 6,280.47

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Solution

The fourth proportional to 19,609.21, 29,414.51 and 6,280.47 is: 9,420.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.21 : 29,414.51 = 6,280.47 : x
  2. Step 2: Convert to fraction form
    19,609.21/29,414.51 = 6,280.47/x
  3. Step 3: Cross multiply
    19,609.21x = 29,414.51 × 6,280.47
  4. Step 4: Simplify right side
    19,609.21x = 184,736,922.11
  5. Step 5: Solve for x
    x = 184,736,922.11/19,609.21
  6. Step 6: Final answer
    x = 9,420.93

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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.