Home / 23,163.91-31,967.93-12,955.82

Finding the Fourth Proportional to 23,163.91, 31,967.93 and 12,955.82

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Solution

The fourth proportional to 23,163.91, 31,967.93 and 12,955.82 is: 17,880.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.91 : 31,967.93 = 12,955.82 : x
  2. Step 2: Convert to fraction form
    23,163.91/31,967.93 = 12,955.82/x
  3. Step 3: Cross multiply
    23,163.91x = 31,967.93 × 12,955.82
  4. Step 4: Simplify right side
    23,163.91x = 414,170,619.40
  5. Step 5: Solve for x
    x = 414,170,619.40/23,163.91
  6. Step 6: Final answer
    x = 17,880.00

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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.