Home / 19,982.36-27,558.73-12,023.10

Finding the Fourth Proportional to 19,982.36, 27,558.73 and 12,023.10

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Solution

The fourth proportional to 19,982.36, 27,558.73 and 12,023.10 is: 16,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.36 : 27,558.73 = 12,023.10 : x
  2. Step 2: Convert to fraction form
    19,982.36/27,558.73 = 12,023.10/x
  3. Step 3: Cross multiply
    19,982.36x = 27,558.73 × 12,023.10
  4. Step 4: Simplify right side
    19,982.36x = 331,341,381.69
  5. Step 5: Solve for x
    x = 331,341,381.69/19,982.36
  6. Step 6: Final answer
    x = 16,581.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.