Home / 16,860.65-25,290.02-5,173.83

Finding the Fourth Proportional to 16,860.65, 25,290.02 and 5,173.83

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Solution

The fourth proportional to 16,860.65, 25,290.02 and 5,173.83 is: 7,760.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.65 : 25,290.02 = 5,173.83 : x
  2. Step 2: Convert to fraction form
    16,860.65/25,290.02 = 5,173.83/x
  3. Step 3: Cross multiply
    16,860.65x = 25,290.02 × 5,173.83
  4. Step 4: Simplify right side
    16,860.65x = 130,846,277.11
  5. Step 5: Solve for x
    x = 130,846,277.11/16,860.65
  6. Step 6: Final answer
    x = 7,760.46

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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.