Home / 23,186.12-31,992.18-14,691.56

Finding the Fourth Proportional to 23,186.12, 31,992.18 and 14,691.56

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Solution

The fourth proportional to 23,186.12, 31,992.18 and 14,691.56 is: 20,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,186.12 : 31,992.18 = 14,691.56 : x
  2. Step 2: Convert to fraction form
    23,186.12/31,992.18 = 14,691.56/x
  3. Step 3: Cross multiply
    23,186.12x = 31,992.18 × 14,691.56
  4. Step 4: Simplify right side
    23,186.12x = 470,015,032.00
  5. Step 5: Solve for x
    x = 470,015,032.00/23,186.12
  6. Step 6: Final answer
    x = 20,271.40

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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.