Home / 19,798.83-27,315.55-11,294.81

Finding the Fourth Proportional to 19,798.83, 27,315.55 and 11,294.81

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Solution

The fourth proportional to 19,798.83, 27,315.55 and 11,294.81 is: 15,582.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798.83 : 27,315.55 = 11,294.81 : x
  2. Step 2: Convert to fraction form
    19,798.83/27,315.55 = 11,294.81/x
  3. Step 3: Cross multiply
    19,798.83x = 27,315.55 × 11,294.81
  4. Step 4: Simplify right side
    19,798.83x = 308,523,947.30
  5. Step 5: Solve for x
    x = 308,523,947.30/19,798.83
  6. Step 6: Final answer
    x = 15,582.94

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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.