Home / 28,233.94-42,340.12-9,508.94

Finding the Fourth Proportional to 28,233.94, 42,340.12 and 9,508.94

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Solution

The fourth proportional to 28,233.94, 42,340.12 and 9,508.94 is: 14,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.94 : 42,340.12 = 9,508.94 : x
  2. Step 2: Convert to fraction form
    28,233.94/42,340.12 = 9,508.94/x
  3. Step 3: Cross multiply
    28,233.94x = 42,340.12 × 9,508.94
  4. Step 4: Simplify right side
    28,233.94x = 402,609,822.14
  5. Step 5: Solve for x
    x = 402,609,822.14/28,233.94
  6. Step 6: Final answer
    x = 14,259.78

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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.