Home / 13,602.67-20,387.59-7,025.26

Finding the Fourth Proportional to 13,602.67, 20,387.59 and 7,025.26

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Solution

The fourth proportional to 13,602.67, 20,387.59 and 7,025.26 is: 10,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,602.67 : 20,387.59 = 7,025.26 : x
  2. Step 2: Convert to fraction form
    13,602.67/20,387.59 = 7,025.26/x
  3. Step 3: Cross multiply
    13,602.67x = 20,387.59 × 7,025.26
  4. Step 4: Simplify right side
    13,602.67x = 143,228,120.52
  5. Step 5: Solve for x
    x = 143,228,120.52/13,602.67
  6. Step 6: Final answer
    x = 10,529.41

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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.