Home / 14,967.02-20,653.26-8,679.80

Finding the Fourth Proportional to 14,967.02, 20,653.26 and 8,679.80

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Solution

The fourth proportional to 14,967.02, 20,653.26 and 8,679.80 is: 11,977.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,967.02 : 20,653.26 = 8,679.80 : x
  2. Step 2: Convert to fraction form
    14,967.02/20,653.26 = 8,679.80/x
  3. Step 3: Cross multiply
    14,967.02x = 20,653.26 × 8,679.80
  4. Step 4: Simplify right side
    14,967.02x = 179,266,166.15
  5. Step 5: Solve for x
    x = 179,266,166.15/14,967.02
  6. Step 6: Final answer
    x = 11,977.41

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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.