Home / 19,591.85-29,400.37-7,110.77

Finding the Fourth Proportional to 19,591.85, 29,400.37 and 7,110.77

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Solution

The fourth proportional to 19,591.85, 29,400.37 and 7,110.77 is: 10,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.85 : 29,400.37 = 7,110.77 : x
  2. Step 2: Convert to fraction form
    19,591.85/29,400.37 = 7,110.77/x
  3. Step 3: Cross multiply
    19,591.85x = 29,400.37 × 7,110.77
  4. Step 4: Simplify right side
    19,591.85x = 209,059,104.21
  5. Step 5: Solve for x
    x = 209,059,104.21/19,591.85
  6. Step 6: Final answer
    x = 10,670.72

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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.