Home / 14,091.81-19,402.43-11,962.92

Finding the Fourth Proportional to 14,091.81, 19,402.43 and 11,962.92

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Solution

The fourth proportional to 14,091.81, 19,402.43 and 11,962.92 is: 16,471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.81 : 19,402.43 = 11,962.92 : x
  2. Step 2: Convert to fraction form
    14,091.81/19,402.43 = 11,962.92/x
  3. Step 3: Cross multiply
    14,091.81x = 19,402.43 × 11,962.92
  4. Step 4: Simplify right side
    14,091.81x = 232,109,717.90
  5. Step 5: Solve for x
    x = 232,109,717.90/14,091.81
  6. Step 6: Final answer
    x = 16,471.25

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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.