Home / 19,267.25-28,900.88-5,416.25

Finding the Fourth Proportional to 19,267.25, 28,900.88 and 5,416.25

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Solution

The fourth proportional to 19,267.25, 28,900.88 and 5,416.25 is: 8,124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.25 : 28,900.88 = 5,416.25 : x
  2. Step 2: Convert to fraction form
    19,267.25/28,900.88 = 5,416.25/x
  3. Step 3: Cross multiply
    19,267.25x = 28,900.88 × 5,416.25
  4. Step 4: Simplify right side
    19,267.25x = 156,534,391.30
  5. Step 5: Solve for x
    x = 156,534,391.30/19,267.25
  6. Step 6: Final answer
    x = 8,124.38

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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.