Home / 23,154.75-31,961.75-13,723.34

Finding the Fourth Proportional to 23,154.75, 31,961.75 and 13,723.34

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Solution

The fourth proportional to 23,154.75, 31,961.75 and 13,723.34 is: 18,943.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,154.75 : 31,961.75 = 13,723.34 : x
  2. Step 2: Convert to fraction form
    23,154.75/31,961.75 = 13,723.34/x
  3. Step 3: Cross multiply
    23,154.75x = 31,961.75 × 13,723.34
  4. Step 4: Simplify right side
    23,154.75x = 438,621,733.82
  5. Step 5: Solve for x
    x = 438,621,733.82/23,154.75
  6. Step 6: Final answer
    x = 18,943.06

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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.