Home / 17,628.46-26,445.16-5,149.40

Finding the Fourth Proportional to 17,628.46, 26,445.16 and 5,149.40

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Solution

The fourth proportional to 17,628.46, 26,445.16 and 5,149.40 is: 7,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.46 : 26,445.16 = 5,149.40 : x
  2. Step 2: Convert to fraction form
    17,628.46/26,445.16 = 5,149.40/x
  3. Step 3: Cross multiply
    17,628.46x = 26,445.16 × 5,149.40
  4. Step 4: Simplify right side
    17,628.46x = 136,176,641.01
  5. Step 5: Solve for x
    x = 136,176,641.01/17,628.46
  6. Step 6: Final answer
    x = 7,724.82

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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.