Home / 19,063.76-28,569.34-13,756.49

Finding the Fourth Proportional to 19,063.76, 28,569.34 and 13,756.49

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Solution

The fourth proportional to 19,063.76, 28,569.34 and 13,756.49 is: 20,615.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,063.76 : 28,569.34 = 13,756.49 : x
  2. Step 2: Convert to fraction form
    19,063.76/28,569.34 = 13,756.49/x
  3. Step 3: Cross multiply
    19,063.76x = 28,569.34 × 13,756.49
  4. Step 4: Simplify right side
    19,063.76x = 393,013,628.39
  5. Step 5: Solve for x
    x = 393,013,628.39/19,063.76
  6. Step 6: Final answer
    x = 20,615.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.