Home / 19,125.38-28,646.54-9,243.95

Finding the Fourth Proportional to 19,125.38, 28,646.54 and 9,243.95

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Solution

The fourth proportional to 19,125.38, 28,646.54 and 9,243.95 is: 13,845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.38 : 28,646.54 = 9,243.95 : x
  2. Step 2: Convert to fraction form
    19,125.38/28,646.54 = 9,243.95/x
  3. Step 3: Cross multiply
    19,125.38x = 28,646.54 × 9,243.95
  4. Step 4: Simplify right side
    19,125.38x = 264,806,993.98
  5. Step 5: Solve for x
    x = 264,806,993.98/19,125.38
  6. Step 6: Final answer
    x = 13,845.85

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1.5x scale

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.