Home / 19,293.28-28,920.18-13,053.95

Finding the Fourth Proportional to 19,293.28, 28,920.18 and 13,053.95

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Solution

The fourth proportional to 19,293.28, 28,920.18 and 13,053.95 is: 19,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.28 : 28,920.18 = 13,053.95 : x
  2. Step 2: Convert to fraction form
    19,293.28/28,920.18 = 13,053.95/x
  3. Step 3: Cross multiply
    19,293.28x = 28,920.18 × 13,053.95
  4. Step 4: Simplify right side
    19,293.28x = 377,522,373.84
  5. Step 5: Solve for x
    x = 377,522,373.84/19,293.28
  6. Step 6: Final answer
    x = 19,567.56

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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.