Home / 17,861.74-26,789.95-4,715.03

Finding the Fourth Proportional to 17,861.74, 26,789.95 and 4,715.03

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Solution

The fourth proportional to 17,861.74, 26,789.95 and 4,715.03 is: 7,071.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,861.74 : 26,789.95 = 4,715.03 : x
  2. Step 2: Convert to fraction form
    17,861.74/26,789.95 = 4,715.03/x
  3. Step 3: Cross multiply
    17,861.74x = 26,789.95 × 4,715.03
  4. Step 4: Simplify right side
    17,861.74x = 126,315,417.95
  5. Step 5: Solve for x
    x = 126,315,417.95/17,861.74
  6. Step 6: Final answer
    x = 7,071.84

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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.