Home / 28,614.06-42,886.53-12,163.50

Finding the Fourth Proportional to 28,614.06, 42,886.53 and 12,163.50

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Solution

The fourth proportional to 28,614.06, 42,886.53 and 12,163.50 is: 18,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,614.06 : 42,886.53 = 12,163.50 : x
  2. Step 2: Convert to fraction form
    28,614.06/42,886.53 = 12,163.50/x
  3. Step 3: Cross multiply
    28,614.06x = 42,886.53 × 12,163.50
  4. Step 4: Simplify right side
    28,614.06x = 521,650,307.66
  5. Step 5: Solve for x
    x = 521,650,307.66/28,614.06
  6. Step 6: Final answer
    x = 18,230.56

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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.