Home / 23,007.15-31,749.82-12,935.61

Finding the Fourth Proportional to 23,007.15, 31,749.82 and 12,935.61

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Solution

The fourth proportional to 23,007.15, 31,749.82 and 12,935.61 is: 17,851.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,007.15 : 31,749.82 = 12,935.61 : x
  2. Step 2: Convert to fraction form
    23,007.15/31,749.82 = 12,935.61/x
  3. Step 3: Cross multiply
    23,007.15x = 31,749.82 × 12,935.61
  4. Step 4: Simplify right side
    23,007.15x = 410,703,186.20
  5. Step 5: Solve for x
    x = 410,703,186.20/23,007.15
  6. Step 6: Final answer
    x = 17,851.11

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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.