Home / 28,354.82-42,523.59-9,882.50

Finding the Fourth Proportional to 28,354.82, 42,523.59 and 9,882.50

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Solution

The fourth proportional to 28,354.82, 42,523.59 and 9,882.50 is: 14,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354.82 : 42,523.59 = 9,882.50 : x
  2. Step 2: Convert to fraction form
    28,354.82/42,523.59 = 9,882.50/x
  3. Step 3: Cross multiply
    28,354.82x = 42,523.59 × 9,882.50
  4. Step 4: Simplify right side
    28,354.82x = 420,239,378.18
  5. Step 5: Solve for x
    x = 420,239,378.18/28,354.82
  6. Step 6: Final answer
    x = 14,820.74

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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.