Home / 17,747.53-26,631.47-7,215.61

Finding the Fourth Proportional to 17,747.53, 26,631.47 and 7,215.61

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Solution

The fourth proportional to 17,747.53, 26,631.47 and 7,215.61 is: 10,827.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,747.53 : 26,631.47 = 7,215.61 : x
  2. Step 2: Convert to fraction form
    17,747.53/26,631.47 = 7,215.61/x
  3. Step 3: Cross multiply
    17,747.53x = 26,631.47 × 7,215.61
  4. Step 4: Simplify right side
    17,747.53x = 192,162,159.07
  5. Step 5: Solve for x
    x = 192,162,159.07/17,747.53
  6. Step 6: Final answer
    x = 10,827.54

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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.