Home / 19,120.37-26,385.94-10,622.51

Finding the Fourth Proportional to 19,120.37, 26,385.94 and 10,622.51

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Solution

The fourth proportional to 19,120.37, 26,385.94 and 10,622.51 is: 14,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.37 : 26,385.94 = 10,622.51 : x
  2. Step 2: Convert to fraction form
    19,120.37/26,385.94 = 10,622.51/x
  3. Step 3: Cross multiply
    19,120.37x = 26,385.94 × 10,622.51
  4. Step 4: Simplify right side
    19,120.37x = 280,284,753.02
  5. Step 5: Solve for x
    x = 280,284,753.02/19,120.37
  6. Step 6: Final answer
    x = 14,658.96

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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.