Home / 14,618.58-20,173.89-8,331.06

Finding the Fourth Proportional to 14,618.58, 20,173.89 and 8,331.06

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Solution

The fourth proportional to 14,618.58, 20,173.89 and 8,331.06 is: 11,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.58 : 20,173.89 = 8,331.06 : x
  2. Step 2: Convert to fraction form
    14,618.58/20,173.89 = 8,331.06/x
  3. Step 3: Cross multiply
    14,618.58x = 20,173.89 × 8,331.06
  4. Step 4: Simplify right side
    14,618.58x = 168,069,888.02
  5. Step 5: Solve for x
    x = 168,069,888.02/14,618.58
  6. Step 6: Final answer
    x = 11,497.01

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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.