Home / 25,438.73-35,068.57-17,861.99

Finding the Fourth Proportional to 25,438.73, 35,068.57 and 17,861.99

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Solution

The fourth proportional to 25,438.73, 35,068.57 and 17,861.99 is: 24,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,438.73 : 35,068.57 = 17,861.99 : x
  2. Step 2: Convert to fraction form
    25,438.73/35,068.57 = 17,861.99/x
  3. Step 3: Cross multiply
    25,438.73x = 35,068.57 × 17,861.99
  4. Step 4: Simplify right side
    25,438.73x = 626,394,226.66
  5. Step 5: Solve for x
    x = 626,394,226.66/25,438.73
  6. Step 6: Final answer
    x = 24,623.65

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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.