Home / 15,800.45-23,695.92-13,020.23

Finding the Fourth Proportional to 15,800.45, 23,695.92 and 13,020.23

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Solution

The fourth proportional to 15,800.45, 23,695.92 and 13,020.23 is: 19,526.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800.45 : 23,695.92 = 13,020.23 : x
  2. Step 2: Convert to fraction form
    15,800.45/23,695.92 = 13,020.23/x
  3. Step 3: Cross multiply
    15,800.45x = 23,695.92 × 13,020.23
  4. Step 4: Simplify right side
    15,800.45x = 308,526,209.98
  5. Step 5: Solve for x
    x = 308,526,209.98/15,800.45
  6. Step 6: Final answer
    x = 19,526.43

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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.