Home / 13,492.65-20,238.96-3,631.92

Finding the Fourth Proportional to 13,492.65, 20,238.96 and 3,631.92

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Solution

The fourth proportional to 13,492.65, 20,238.96 and 3,631.92 is: 5,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.65 : 20,238.96 = 3,631.92 : x
  2. Step 2: Convert to fraction form
    13,492.65/20,238.96 = 3,631.92/x
  3. Step 3: Cross multiply
    13,492.65x = 20,238.96 × 3,631.92
  4. Step 4: Simplify right side
    13,492.65x = 73,506,283.60
  5. Step 5: Solve for x
    x = 73,506,283.60/13,492.65
  6. Step 6: Final answer
    x = 5,447.88

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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.