Home / 18,833.06-25,989.63-10,449.56

Finding the Fourth Proportional to 18,833.06, 25,989.63 and 10,449.56

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Solution

The fourth proportional to 18,833.06, 25,989.63 and 10,449.56 is: 14,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.06 : 25,989.63 = 10,449.56 : x
  2. Step 2: Convert to fraction form
    18,833.06/25,989.63 = 10,449.56/x
  3. Step 3: Cross multiply
    18,833.06x = 25,989.63 × 10,449.56
  4. Step 4: Simplify right side
    18,833.06x = 271,580,223.85
  5. Step 5: Solve for x
    x = 271,580,223.85/18,833.06
  6. Step 6: Final answer
    x = 14,420.40

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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.