Home / 13,742.96-18,956.76-12,063.04

Finding the Fourth Proportional to 13,742.96, 18,956.76 and 12,063.04

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Solution

The fourth proportional to 13,742.96, 18,956.76 and 12,063.04 is: 16,639.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.96 : 18,956.76 = 12,063.04 : x
  2. Step 2: Convert to fraction form
    13,742.96/18,956.76 = 12,063.04/x
  3. Step 3: Cross multiply
    13,742.96x = 18,956.76 × 12,063.04
  4. Step 4: Simplify right side
    13,742.96x = 228,676,154.15
  5. Step 5: Solve for x
    x = 228,676,154.15/13,742.96
  6. Step 6: Final answer
    x = 16,639.51

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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.