Home / 19,226.13-28,836.31-15,960.21

Finding the Fourth Proportional to 19,226.13, 28,836.31 and 15,960.21

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Solution

The fourth proportional to 19,226.13, 28,836.31 and 15,960.21 is: 23,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.13 : 28,836.31 = 15,960.21 : x
  2. Step 2: Convert to fraction form
    19,226.13/28,836.31 = 15,960.21/x
  3. Step 3: Cross multiply
    19,226.13x = 28,836.31 × 15,960.21
  4. Step 4: Simplify right side
    19,226.13x = 460,233,563.23
  5. Step 5: Solve for x
    x = 460,233,563.23/19,226.13
  6. Step 6: Final answer
    x = 23,937.92

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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.