Home / 47,905.10-71,868.45-14,626.70

Finding the Fourth Proportional to 47,905.10, 71,868.45 and 14,626.70

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Solution

The fourth proportional to 47,905.10, 71,868.45 and 14,626.70 is: 21,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,905.10 : 71,868.45 = 14,626.70 : x
  2. Step 2: Convert to fraction form
    47,905.10/71,868.45 = 14,626.70/x
  3. Step 3: Cross multiply
    47,905.10x = 71,868.45 × 14,626.70
  4. Step 4: Simplify right side
    47,905.10x = 1,051,198,257.62
  5. Step 5: Solve for x
    x = 1,051,198,257.62/47,905.10
  6. Step 6: Final answer
    x = 21,943.35

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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.