Home / 14,088.40-19,408.16-11,850.32

Finding the Fourth Proportional to 14,088.40, 19,408.16 and 11,850.32

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Solution

The fourth proportional to 14,088.40, 19,408.16 and 11,850.32 is: 16,324.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.40 : 19,408.16 = 11,850.32 : x
  2. Step 2: Convert to fraction form
    14,088.40/19,408.16 = 11,850.32/x
  3. Step 3: Cross multiply
    14,088.40x = 19,408.16 × 11,850.32
  4. Step 4: Simplify right side
    14,088.40x = 229,992,906.61
  5. Step 5: Solve for x
    x = 229,992,906.61/14,088.40
  6. Step 6: Final answer
    x = 16,324.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.