Home / 13,725.13-20,575.38-4,957.99

Finding the Fourth Proportional to 13,725.13, 20,575.38 and 4,957.99

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Solution

The fourth proportional to 13,725.13, 20,575.38 and 4,957.99 is: 7,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.13 : 20,575.38 = 4,957.99 : x
  2. Step 2: Convert to fraction form
    13,725.13/20,575.38 = 4,957.99/x
  3. Step 3: Cross multiply
    13,725.13x = 20,575.38 × 4,957.99
  4. Step 4: Simplify right side
    13,725.13x = 102,012,528.29
  5. Step 5: Solve for x
    x = 102,012,528.29/13,725.13
  6. Step 6: Final answer
    x = 7,432.54

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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.