Home / 23,185.85-31,996.61-12,575.45

Finding the Fourth Proportional to 23,185.85, 31,996.61 and 12,575.45

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Solution

The fourth proportional to 23,185.85, 31,996.61 and 12,575.45 is: 17,354.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,185.85 : 31,996.61 = 12,575.45 : x
  2. Step 2: Convert to fraction form
    23,185.85/31,996.61 = 12,575.45/x
  3. Step 3: Cross multiply
    23,185.85x = 31,996.61 × 12,575.45
  4. Step 4: Simplify right side
    23,185.85x = 402,371,546.36
  5. Step 5: Solve for x
    x = 402,371,546.36/23,185.85
  6. Step 6: Final answer
    x = 17,354.19

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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.