Home / 28,616.76-42,896.60-13,597.52

Finding the Fourth Proportional to 28,616.76, 42,896.60 and 13,597.52

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Solution

The fourth proportional to 28,616.76, 42,896.60 and 13,597.52 is: 20,382.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,616.76 : 42,896.60 = 13,597.52 : x
  2. Step 2: Convert to fraction form
    28,616.76/42,896.60 = 13,597.52/x
  3. Step 3: Cross multiply
    28,616.76x = 42,896.60 × 13,597.52
  4. Step 4: Simplify right side
    28,616.76x = 583,287,376.43
  5. Step 5: Solve for x
    x = 583,287,376.43/28,616.76
  6. Step 6: Final answer
    x = 20,382.72

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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.