Home / 19,518-26,934.84-11,134.32

Finding the Fourth Proportional to 19,518, 26,934.84 and 11,134.32

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Solution

The fourth proportional to 19,518, 26,934.84 and 11,134.32 is: 15,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518 : 26,934.84 = 11,134.32 : x
  2. Step 2: Convert to fraction form
    19,518/26,934.84 = 11,134.32/x
  3. Step 3: Cross multiply
    19,518x = 26,934.84 × 11,134.32
  4. Step 4: Simplify right side
    19,518x = 299,901,127.71
  5. Step 5: Solve for x
    x = 299,901,127.71/19,518
  6. Step 6: Final answer
    x = 15,365.36

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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.