Home / 23,185.82-31,996.35-12,575.45

Finding the Fourth Proportional to 23,185.82, 31,996.35 and 12,575.45

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Solution

The fourth proportional to 23,185.82, 31,996.35 and 12,575.45 is: 17,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,185.82 : 31,996.35 = 12,575.45 : x
  2. Step 2: Convert to fraction form
    23,185.82/31,996.35 = 12,575.45/x
  3. Step 3: Cross multiply
    23,185.82x = 31,996.35 × 12,575.45
  4. Step 4: Simplify right side
    23,185.82x = 402,368,339.63
  5. Step 5: Solve for x
    x = 402,368,339.63/23,185.82
  6. Step 6: Final answer
    x = 17,354.07

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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.