Home / 14,790.87-20,406.56-10,542.60

Finding the Fourth Proportional to 14,790.87, 20,406.56 and 10,542.60

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Solution

The fourth proportional to 14,790.87, 20,406.56 and 10,542.60 is: 14,545.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.87 : 20,406.56 = 10,542.60 : x
  2. Step 2: Convert to fraction form
    14,790.87/20,406.56 = 10,542.60/x
  3. Step 3: Cross multiply
    14,790.87x = 20,406.56 × 10,542.60
  4. Step 4: Simplify right side
    14,790.87x = 215,138,146.74
  5. Step 5: Solve for x
    x = 215,138,146.74/14,790.87
  6. Step 6: Final answer
    x = 14,545.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.