Home / 23,929.99-33,022.10-13,172.77

Finding the Fourth Proportional to 23,929.99, 33,022.10 and 13,172.77

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Solution

The fourth proportional to 23,929.99, 33,022.10 and 13,172.77 is: 18,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,929.99 : 33,022.10 = 13,172.77 : x
  2. Step 2: Convert to fraction form
    23,929.99/33,022.10 = 13,172.77/x
  3. Step 3: Cross multiply
    23,929.99x = 33,022.10 × 13,172.77
  4. Step 4: Simplify right side
    23,929.99x = 434,992,602.43
  5. Step 5: Solve for x
    x = 434,992,602.43/23,929.99
  6. Step 6: Final answer
    x = 18,177.72

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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.