Home / 19,727.51-29,598.21-12,323.30

Finding the Fourth Proportional to 19,727.51, 29,598.21 and 12,323.30

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Solution

The fourth proportional to 19,727.51, 29,598.21 and 12,323.30 is: 18,489.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.51 : 29,598.21 = 12,323.30 : x
  2. Step 2: Convert to fraction form
    19,727.51/29,598.21 = 12,323.30/x
  3. Step 3: Cross multiply
    19,727.51x = 29,598.21 × 12,323.30
  4. Step 4: Simplify right side
    19,727.51x = 364,747,473.30
  5. Step 5: Solve for x
    x = 364,747,473.30/19,727.51
  6. Step 6: Final answer
    x = 18,489.29

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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.