Home / 16,515.80-24,773.70-10,986.20

Finding the Fourth Proportional to 16,515.80, 24,773.70 and 10,986.20

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Solution

The fourth proportional to 16,515.80, 24,773.70 and 10,986.20 is: 16,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.80 : 24,773.70 = 10,986.20 : x
  2. Step 2: Convert to fraction form
    16,515.80/24,773.70 = 10,986.20/x
  3. Step 3: Cross multiply
    16,515.80x = 24,773.70 × 10,986.20
  4. Step 4: Simplify right side
    16,515.80x = 272,168,822.94
  5. Step 5: Solve for x
    x = 272,168,822.94/16,515.80
  6. Step 6: Final answer
    x = 16,479.30

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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.