Home / 19,559.41-29,342.18-7,078.12

Finding the Fourth Proportional to 19,559.41, 29,342.18 and 7,078.12

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Solution

The fourth proportional to 19,559.41, 29,342.18 and 7,078.12 is: 10,618.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559.41 : 29,342.18 = 7,078.12 : x
  2. Step 2: Convert to fraction form
    19,559.41/29,342.18 = 7,078.12/x
  3. Step 3: Cross multiply
    19,559.41x = 29,342.18 × 7,078.12
  4. Step 4: Simplify right side
    19,559.41x = 207,687,471.10
  5. Step 5: Solve for x
    x = 207,687,471.10/19,559.41
  6. Step 6: Final answer
    x = 10,618.29

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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.