Home / 19,459.88-29,188.46-11,113.74

Finding the Fourth Proportional to 19,459.88, 29,188.46 and 11,113.74

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Solution

The fourth proportional to 19,459.88, 29,188.46 and 11,113.74 is: 16,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.88 : 29,188.46 = 11,113.74 : x
  2. Step 2: Convert to fraction form
    19,459.88/29,188.46 = 11,113.74/x
  3. Step 3: Cross multiply
    19,459.88x = 29,188.46 × 11,113.74
  4. Step 4: Simplify right side
    19,459.88x = 324,392,899.87
  5. Step 5: Solve for x
    x = 324,392,899.87/19,459.88
  6. Step 6: Final answer
    x = 16,669.83

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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.