Home / 18,833.52-25,991.28-10,450.20

Finding the Fourth Proportional to 18,833.52, 25,991.28 and 10,450.20

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Solution

The fourth proportional to 18,833.52, 25,991.28 and 10,450.20 is: 14,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.52 : 25,991.28 = 10,450.20 : x
  2. Step 2: Convert to fraction form
    18,833.52/25,991.28 = 10,450.20/x
  3. Step 3: Cross multiply
    18,833.52x = 25,991.28 × 10,450.20
  4. Step 4: Simplify right side
    18,833.52x = 271,614,074.26
  5. Step 5: Solve for x
    x = 271,614,074.26/18,833.52
  6. Step 6: Final answer
    x = 14,421.84

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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.