Home / 18,103.30-24,981.53-10,550.86

Finding the Fourth Proportional to 18,103.30, 24,981.53 and 10,550.86

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Solution

The fourth proportional to 18,103.30, 24,981.53 and 10,550.86 is: 14,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.30 : 24,981.53 = 10,550.86 : x
  2. Step 2: Convert to fraction form
    18,103.30/24,981.53 = 10,550.86/x
  3. Step 3: Cross multiply
    18,103.30x = 24,981.53 × 10,550.86
  4. Step 4: Simplify right side
    18,103.30x = 263,576,510.41
  5. Step 5: Solve for x
    x = 263,576,510.41/18,103.30
  6. Step 6: Final answer
    x = 14,559.59

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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.