Home / 13,740.25-20,596.53-5,417.04

Finding the Fourth Proportional to 13,740.25, 20,596.53 and 5,417.04

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Solution

The fourth proportional to 13,740.25, 20,596.53 and 5,417.04 is: 8,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.25 : 20,596.53 = 5,417.04 : x
  2. Step 2: Convert to fraction form
    13,740.25/20,596.53 = 5,417.04/x
  3. Step 3: Cross multiply
    13,740.25x = 20,596.53 × 5,417.04
  4. Step 4: Simplify right side
    13,740.25x = 111,572,293.95
  5. Step 5: Solve for x
    x = 111,572,293.95/13,740.25
  6. Step 6: Final answer
    x = 8,120.11

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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.