Home / 23,153.10-31,949.01-13,719.84

Finding the Fourth Proportional to 23,153.10, 31,949.01 and 13,719.84

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Solution

The fourth proportional to 23,153.10, 31,949.01 and 13,719.84 is: 18,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,153.10 : 31,949.01 = 13,719.84 : x
  2. Step 2: Convert to fraction form
    23,153.10/31,949.01 = 13,719.84/x
  3. Step 3: Cross multiply
    23,153.10x = 31,949.01 × 13,719.84
  4. Step 4: Simplify right side
    23,153.10x = 438,335,305.36
  5. Step 5: Solve for x
    x = 438,335,305.36/23,153.10
  6. Step 6: Final answer
    x = 18,932.04

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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.