Home / 18,077.67-24,950.16-12,407.75

Finding the Fourth Proportional to 18,077.67, 24,950.16 and 12,407.75

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Solution

The fourth proportional to 18,077.67, 24,950.16 and 12,407.75 is: 17,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.67 : 24,950.16 = 12,407.75 : x
  2. Step 2: Convert to fraction form
    18,077.67/24,950.16 = 12,407.75/x
  3. Step 3: Cross multiply
    18,077.67x = 24,950.16 × 12,407.75
  4. Step 4: Simplify right side
    18,077.67x = 309,575,222.99
  5. Step 5: Solve for x
    x = 309,575,222.99/18,077.67
  6. Step 6: Final answer
    x = 17,124.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.