Home / 19,090.11-28,623.66-8,558.23

Finding the Fourth Proportional to 19,090.11, 28,623.66 and 8,558.23

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Solution

The fourth proportional to 19,090.11, 28,623.66 and 8,558.23 is: 12,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.11 : 28,623.66 = 8,558.23 : x
  2. Step 2: Convert to fraction form
    19,090.11/28,623.66 = 8,558.23/x
  3. Step 3: Cross multiply
    19,090.11x = 28,623.66 × 8,558.23
  4. Step 4: Simplify right side
    19,090.11x = 244,967,794.16
  5. Step 5: Solve for x
    x = 244,967,794.16/19,090.11
  6. Step 6: Final answer
    x = 12,832.18

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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.