Home / 19,228.96-26,550.21-12,518.29

Finding the Fourth Proportional to 19,228.96, 26,550.21 and 12,518.29

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Solution

The fourth proportional to 19,228.96, 26,550.21 and 12,518.29 is: 17,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228.96 : 26,550.21 = 12,518.29 : x
  2. Step 2: Convert to fraction form
    19,228.96/26,550.21 = 12,518.29/x
  3. Step 3: Cross multiply
    19,228.96x = 26,550.21 × 12,518.29
  4. Step 4: Simplify right side
    19,228.96x = 332,363,228.34
  5. Step 5: Solve for x
    x = 332,363,228.34/19,228.96
  6. Step 6: Final answer
    x = 17,284.51

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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.