Home / 23,991.85-33,112.29-15,513.82

Finding the Fourth Proportional to 23,991.85, 33,112.29 and 15,513.82

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Solution

The fourth proportional to 23,991.85, 33,112.29 and 15,513.82 is: 21,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,991.85 : 33,112.29 = 15,513.82 : x
  2. Step 2: Convert to fraction form
    23,991.85/33,112.29 = 15,513.82/x
  3. Step 3: Cross multiply
    23,991.85x = 33,112.29 × 15,513.82
  4. Step 4: Simplify right side
    23,991.85x = 513,697,863.72
  5. Step 5: Solve for x
    x = 513,697,863.72/23,991.85
  6. Step 6: Final answer
    x = 21,411.35

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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.