Home / 18,103.50-24,982.90-10,555.04

Finding the Fourth Proportional to 18,103.50, 24,982.90 and 10,555.04

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Solution

The fourth proportional to 18,103.50, 24,982.90 and 10,555.04 is: 14,566.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.50 : 24,982.90 = 10,555.04 : x
  2. Step 2: Convert to fraction form
    18,103.50/24,982.90 = 10,555.04/x
  3. Step 3: Cross multiply
    18,103.50x = 24,982.90 × 10,555.04
  4. Step 4: Simplify right side
    18,103.50x = 263,695,544.89
  5. Step 5: Solve for x
    x = 263,695,544.89/18,103.50
  6. Step 6: Final answer
    x = 14,566.00

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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.