Home / 19,827.89-29,732.42-11,510.48

Finding the Fourth Proportional to 19,827.89, 29,732.42 and 11,510.48

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Solution

The fourth proportional to 19,827.89, 29,732.42 and 11,510.48 is: 17,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.89 : 29,732.42 = 11,510.48 : x
  2. Step 2: Convert to fraction form
    19,827.89/29,732.42 = 11,510.48/x
  3. Step 3: Cross multiply
    19,827.89x = 29,732.42 × 11,510.48
  4. Step 4: Simplify right side
    19,827.89x = 342,234,219.55
  5. Step 5: Solve for x
    x = 342,234,219.55/19,827.89
  6. Step 6: Final answer
    x = 17,260.25

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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.