Home / 19,208.15-28,811.21-5,881.16

Finding the Fourth Proportional to 19,208.15, 28,811.21 and 5,881.16

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Solution

The fourth proportional to 19,208.15, 28,811.21 and 5,881.16 is: 8,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.15 : 28,811.21 = 5,881.16 : x
  2. Step 2: Convert to fraction form
    19,208.15/28,811.21 = 5,881.16/x
  3. Step 3: Cross multiply
    19,208.15x = 28,811.21 × 5,881.16
  4. Step 4: Simplify right side
    19,208.15x = 169,443,335.80
  5. Step 5: Solve for x
    x = 169,443,335.80/19,208.15
  6. Step 6: Final answer
    x = 8,821.43

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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.