Home / 19,169.12-26,451.96-10,784

Finding the Fourth Proportional to 19,169.12, 26,451.96 and 10,784

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Solution

The fourth proportional to 19,169.12, 26,451.96 and 10,784 is: 14,881.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.12 : 26,451.96 = 10,784 : x
  2. Step 2: Convert to fraction form
    19,169.12/26,451.96 = 10,784/x
  3. Step 3: Cross multiply
    19,169.12x = 26,451.96 × 10,784
  4. Step 4: Simplify right side
    19,169.12x = 285,257,936.64
  5. Step 5: Solve for x
    x = 285,257,936.64/19,169.12
  6. Step 6: Final answer
    x = 14,881.12

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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.