Home / 19,094.46-28,612.64-9,221.90

Finding the Fourth Proportional to 19,094.46, 28,612.64 and 9,221.90

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Solution

The fourth proportional to 19,094.46, 28,612.64 and 9,221.90 is: 13,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,094.46 : 28,612.64 = 9,221.90 : x
  2. Step 2: Convert to fraction form
    19,094.46/28,612.64 = 9,221.90/x
  3. Step 3: Cross multiply
    19,094.46x = 28,612.64 × 9,221.90
  4. Step 4: Simplify right side
    19,094.46x = 263,862,904.82
  5. Step 5: Solve for x
    x = 263,862,904.82/19,094.46
  6. Step 6: Final answer
    x = 13,818.82

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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.