Home / 13,458.42-20,186.04-3,598.46

Finding the Fourth Proportional to 13,458.42, 20,186.04 and 3,598.46

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Solution

The fourth proportional to 13,458.42, 20,186.04 and 3,598.46 is: 5,397.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458.42 : 20,186.04 = 3,598.46 : x
  2. Step 2: Convert to fraction form
    13,458.42/20,186.04 = 3,598.46/x
  3. Step 3: Cross multiply
    13,458.42x = 20,186.04 × 3,598.46
  4. Step 4: Simplify right side
    13,458.42x = 72,638,645.76
  5. Step 5: Solve for x
    x = 72,638,645.76/13,458.42
  6. Step 6: Final answer
    x = 5,397.26

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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.