Home / 17,818.99-24,590.25-9,861.76

Finding the Fourth Proportional to 17,818.99, 24,590.25 and 9,861.76

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Solution

The fourth proportional to 17,818.99, 24,590.25 and 9,861.76 is: 13,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,818.99 : 24,590.25 = 9,861.76 : x
  2. Step 2: Convert to fraction form
    17,818.99/24,590.25 = 9,861.76/x
  3. Step 3: Cross multiply
    17,818.99x = 24,590.25 × 9,861.76
  4. Step 4: Simplify right side
    17,818.99x = 242,503,143.84
  5. Step 5: Solve for x
    x = 242,503,143.84/17,818.99
  6. Step 6: Final answer
    x = 13,609.25

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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.