Home / 23,930.36-33,023.90-13,319.76

Finding the Fourth Proportional to 23,930.36, 33,023.90 and 13,319.76

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Solution

The fourth proportional to 23,930.36, 33,023.90 and 13,319.76 is: 18,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,930.36 : 33,023.90 = 13,319.76 : x
  2. Step 2: Convert to fraction form
    23,930.36/33,023.90 = 13,319.76/x
  3. Step 3: Cross multiply
    23,930.36x = 33,023.90 × 13,319.76
  4. Step 4: Simplify right side
    23,930.36x = 439,870,355.67
  5. Step 5: Solve for x
    x = 439,870,355.67/23,930.36
  6. Step 6: Final answer
    x = 18,381.27

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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.