Home / 16,920.07-23,327.32-13,884.07

Finding the Fourth Proportional to 16,920.07, 23,327.32 and 13,884.07

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Solution

The fourth proportional to 16,920.07, 23,327.32 and 13,884.07 is: 19,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.07 : 23,327.32 = 13,884.07 : x
  2. Step 2: Convert to fraction form
    16,920.07/23,327.32 = 13,884.07/x
  3. Step 3: Cross multiply
    16,920.07x = 23,327.32 × 13,884.07
  4. Step 4: Simplify right side
    16,920.07x = 323,878,143.79
  5. Step 5: Solve for x
    x = 323,878,143.79/16,920.07
  6. Step 6: Final answer
    x = 19,141.66

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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.