Home / 13,434.68-20,158.80-6,037.60

Finding the Fourth Proportional to 13,434.68, 20,158.80 and 6,037.60

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Solution

The fourth proportional to 13,434.68, 20,158.80 and 6,037.60 is: 9,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.68 : 20,158.80 = 6,037.60 : x
  2. Step 2: Convert to fraction form
    13,434.68/20,158.80 = 6,037.60/x
  3. Step 3: Cross multiply
    13,434.68x = 20,158.80 × 6,037.60
  4. Step 4: Simplify right side
    13,434.68x = 121,710,770.88
  5. Step 5: Solve for x
    x = 121,710,770.88/13,434.68
  6. Step 6: Final answer
    x = 9,059.45

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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.