Home / 14,091.57-19,402.11-11,962.69

Finding the Fourth Proportional to 14,091.57, 19,402.11 and 11,962.69

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Solution

The fourth proportional to 14,091.57, 19,402.11 and 11,962.69 is: 16,470.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.57 : 19,402.11 = 11,962.69 : x
  2. Step 2: Convert to fraction form
    14,091.57/19,402.11 = 11,962.69/x
  3. Step 3: Cross multiply
    14,091.57x = 19,402.11 × 11,962.69
  4. Step 4: Simplify right side
    14,091.57x = 232,101,345.13
  5. Step 5: Solve for x
    x = 232,101,345.13/14,091.57
  6. Step 6: Final answer
    x = 16,470.94

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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.