Home / 15,436.85-23,158.68-4,910.09

Finding the Fourth Proportional to 15,436.85, 23,158.68 and 4,910.09

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Solution

The fourth proportional to 15,436.85, 23,158.68 and 4,910.09 is: 7,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.85 : 23,158.68 = 4,910.09 : x
  2. Step 2: Convert to fraction form
    15,436.85/23,158.68 = 4,910.09/x
  3. Step 3: Cross multiply
    15,436.85x = 23,158.68 × 4,910.09
  4. Step 4: Simplify right side
    15,436.85x = 113,711,068.87
  5. Step 5: Solve for x
    x = 113,711,068.87/15,436.85
  6. Step 6: Final answer
    x = 7,366.21

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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.