Home / 12,282.48-18,427.14-4,492.08

Finding the Fourth Proportional to 12,282.48, 18,427.14 and 4,492.08

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Solution

The fourth proportional to 12,282.48, 18,427.14 and 4,492.08 is: 6,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.48 : 18,427.14 = 4,492.08 : x
  2. Step 2: Convert to fraction form
    12,282.48/18,427.14 = 4,492.08/x
  3. Step 3: Cross multiply
    12,282.48x = 18,427.14 × 4,492.08
  4. Step 4: Simplify right side
    12,282.48x = 82,776,187.05
  5. Step 5: Solve for x
    x = 82,776,187.05/12,282.48
  6. Step 6: Final answer
    x = 6,739.37

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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.