Home / 19,049.63-28,587.41-11,457.09

Finding the Fourth Proportional to 19,049.63, 28,587.41 and 11,457.09

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Solution

The fourth proportional to 19,049.63, 28,587.41 and 11,457.09 is: 17,193.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.63 : 28,587.41 = 11,457.09 : x
  2. Step 2: Convert to fraction form
    19,049.63/28,587.41 = 11,457.09/x
  3. Step 3: Cross multiply
    19,049.63x = 28,587.41 × 11,457.09
  4. Step 4: Simplify right side
    19,049.63x = 327,528,471.95
  5. Step 5: Solve for x
    x = 327,528,471.95/19,049.63
  6. Step 6: Final answer
    x = 17,193.43

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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.