Home / 28,232.87-42,348.33-9,512.55

Finding the Fourth Proportional to 28,232.87, 42,348.33 and 9,512.55

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Solution

The fourth proportional to 28,232.87, 42,348.33 and 9,512.55 is: 14,268.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232.87 : 42,348.33 = 9,512.55 : x
  2. Step 2: Convert to fraction form
    28,232.87/42,348.33 = 9,512.55/x
  3. Step 3: Cross multiply
    28,232.87x = 42,348.33 × 9,512.55
  4. Step 4: Simplify right side
    28,232.87x = 402,840,606.54
  5. Step 5: Solve for x
    x = 402,840,606.54/28,232.87
  6. Step 6: Final answer
    x = 14,268.50

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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.