Home / 23,023.88-31,770.38-12,952.11

Finding the Fourth Proportional to 23,023.88, 31,770.38 and 12,952.11

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Solution

The fourth proportional to 23,023.88, 31,770.38 and 12,952.11 is: 17,872.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,023.88 : 31,770.38 = 12,952.11 : x
  2. Step 2: Convert to fraction form
    23,023.88/31,770.38 = 12,952.11/x
  3. Step 3: Cross multiply
    23,023.88x = 31,770.38 × 12,952.11
  4. Step 4: Simplify right side
    23,023.88x = 411,493,499.88
  5. Step 5: Solve for x
    x = 411,493,499.88/23,023.88
  6. Step 6: Final answer
    x = 17,872.46

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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.