Home / 16,830.65-25,218.20-10,236.89

Finding the Fourth Proportional to 16,830.65, 25,218.20 and 10,236.89

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Solution

The fourth proportional to 16,830.65, 25,218.20 and 10,236.89 is: 15,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.65 : 25,218.20 = 10,236.89 : x
  2. Step 2: Convert to fraction form
    16,830.65/25,218.20 = 10,236.89/x
  3. Step 3: Cross multiply
    16,830.65x = 25,218.20 × 10,236.89
  4. Step 4: Simplify right side
    16,830.65x = 258,155,888.21
  5. Step 5: Solve for x
    x = 258,155,888.21/16,830.65
  6. Step 6: Final answer
    x = 15,338.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.