Home / 15,898.30-23,847.45-4,212.70

Finding the Fourth Proportional to 15,898.30, 23,847.45 and 4,212.70

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Solution

The fourth proportional to 15,898.30, 23,847.45 and 4,212.70 is: 6,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,898.30 : 23,847.45 = 4,212.70 : x
  2. Step 2: Convert to fraction form
    15,898.30/23,847.45 = 4,212.70/x
  3. Step 3: Cross multiply
    15,898.30x = 23,847.45 × 4,212.70
  4. Step 4: Simplify right side
    15,898.30x = 100,462,152.62
  5. Step 5: Solve for x
    x = 100,462,152.62/15,898.30
  6. Step 6: Final answer
    x = 6,319.05

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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.