Home / 13,662.27-20,503.14-10,545.39

Finding the Fourth Proportional to 13,662.27, 20,503.14 and 10,545.39

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Solution

The fourth proportional to 13,662.27, 20,503.14 and 10,545.39 is: 15,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662.27 : 20,503.14 = 10,545.39 : x
  2. Step 2: Convert to fraction form
    13,662.27/20,503.14 = 10,545.39/x
  3. Step 3: Cross multiply
    13,662.27x = 20,503.14 × 10,545.39
  4. Step 4: Simplify right side
    13,662.27x = 216,213,607.52
  5. Step 5: Solve for x
    x = 216,213,607.52/13,662.27
  6. Step 6: Final answer
    x = 15,825.60

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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.