Home / 14,425.25-19,908.81-8,459.30

Finding the Fourth Proportional to 14,425.25, 19,908.81 and 8,459.30

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Solution

The fourth proportional to 14,425.25, 19,908.81 and 8,459.30 is: 11,674.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.25 : 19,908.81 = 8,459.30 : x
  2. Step 2: Convert to fraction form
    14,425.25/19,908.81 = 8,459.30/x
  3. Step 3: Cross multiply
    14,425.25x = 19,908.81 × 8,459.30
  4. Step 4: Simplify right side
    14,425.25x = 168,414,596.43
  5. Step 5: Solve for x
    x = 168,414,596.43/14,425.25
  6. Step 6: Final answer
    x = 11,674.99

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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.