Home / 19,216.10-28,847.55-10,901.90

Finding the Fourth Proportional to 19,216.10, 28,847.55 and 10,901.90

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Solution

The fourth proportional to 19,216.10, 28,847.55 and 10,901.90 is: 16,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.10 : 28,847.55 = 10,901.90 : x
  2. Step 2: Convert to fraction form
    19,216.10/28,847.55 = 10,901.90/x
  3. Step 3: Cross multiply
    19,216.10x = 28,847.55 × 10,901.90
  4. Step 4: Simplify right side
    19,216.10x = 314,493,105.35
  5. Step 5: Solve for x
    x = 314,493,105.35/19,216.10
  6. Step 6: Final answer
    x = 16,366.13

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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.