Home / 19,427.88-29,099.70-12,034.20

Finding the Fourth Proportional to 19,427.88, 29,099.70 and 12,034.20

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Solution

The fourth proportional to 19,427.88, 29,099.70 and 12,034.20 is: 18,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.88 : 29,099.70 = 12,034.20 : x
  2. Step 2: Convert to fraction form
    19,427.88/29,099.70 = 12,034.20/x
  3. Step 3: Cross multiply
    19,427.88x = 29,099.70 × 12,034.20
  4. Step 4: Simplify right side
    19,427.88x = 350,191,609.74
  5. Step 5: Solve for x
    x = 350,191,609.74/19,427.88
  6. Step 6: Final answer
    x = 18,025.21

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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.