Home / 18,337.96-27,478.14-14,188.30

Finding the Fourth Proportional to 18,337.96, 27,478.14 and 14,188.30

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Solution

The fourth proportional to 18,337.96, 27,478.14 and 14,188.30 is: 21,260.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.96 : 27,478.14 = 14,188.30 : x
  2. Step 2: Convert to fraction form
    18,337.96/27,478.14 = 14,188.30/x
  3. Step 3: Cross multiply
    18,337.96x = 27,478.14 × 14,188.30
  4. Step 4: Simplify right side
    18,337.96x = 389,868,093.76
  5. Step 5: Solve for x
    x = 389,868,093.76/18,337.96
  6. Step 6: Final answer
    x = 21,260.17

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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.