Home / 19,631.52-29,399.76-11,823.12

Finding the Fourth Proportional to 19,631.52, 29,399.76 and 11,823.12

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Solution

The fourth proportional to 19,631.52, 29,399.76 and 11,823.12 is: 17,706.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.52 : 29,399.76 = 11,823.12 : x
  2. Step 2: Convert to fraction form
    19,631.52/29,399.76 = 11,823.12/x
  3. Step 3: Cross multiply
    19,631.52x = 29,399.76 × 11,823.12
  4. Step 4: Simplify right side
    19,631.52x = 347,596,890.45
  5. Step 5: Solve for x
    x = 347,596,890.45/19,631.52
  6. Step 6: Final answer
    x = 17,706.06

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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.