Home / 19,283.84-28,926.76-5,433.92

Finding the Fourth Proportional to 19,283.84, 28,926.76 and 5,433.92

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Solution

The fourth proportional to 19,283.84, 28,926.76 and 5,433.92 is: 8,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.84 : 28,926.76 = 5,433.92 : x
  2. Step 2: Convert to fraction form
    19,283.84/28,926.76 = 5,433.92/x
  3. Step 3: Cross multiply
    19,283.84x = 28,926.76 × 5,433.92
  4. Step 4: Simplify right side
    19,283.84x = 157,185,699.70
  5. Step 5: Solve for x
    x = 157,185,699.70/19,283.84
  6. Step 6: Final answer
    x = 8,151.16

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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.