Home / 23,192.94-31,995.63-13,758.06

Finding the Fourth Proportional to 23,192.94, 31,995.63 and 13,758.06

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Solution

The fourth proportional to 23,192.94, 31,995.63 and 13,758.06 is: 18,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,192.94 : 31,995.63 = 13,758.06 : x
  2. Step 2: Convert to fraction form
    23,192.94/31,995.63 = 13,758.06/x
  3. Step 3: Cross multiply
    23,192.94x = 31,995.63 × 13,758.06
  4. Step 4: Simplify right side
    23,192.94x = 440,197,797.28
  5. Step 5: Solve for x
    x = 440,197,797.28/23,192.94
  6. Step 6: Final answer
    x = 18,979.82

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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.