Home / 19,543.28-26,969.58-11,048.15

Finding the Fourth Proportional to 19,543.28, 26,969.58 and 11,048.15

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Solution

The fourth proportional to 19,543.28, 26,969.58 and 11,048.15 is: 15,246.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.28 : 26,969.58 = 11,048.15 : x
  2. Step 2: Convert to fraction form
    19,543.28/26,969.58 = 11,048.15/x
  3. Step 3: Cross multiply
    19,543.28x = 26,969.58 × 11,048.15
  4. Step 4: Simplify right side
    19,543.28x = 297,964,032.70
  5. Step 5: Solve for x
    x = 297,964,032.70/19,543.28
  6. Step 6: Final answer
    x = 15,246.37

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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.