Home / 14,710.87-20,296.34-9,125.11

Finding the Fourth Proportional to 14,710.87, 20,296.34 and 9,125.11

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Solution

The fourth proportional to 14,710.87, 20,296.34 and 9,125.11 is: 12,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.87 : 20,296.34 = 9,125.11 : x
  2. Step 2: Convert to fraction form
    14,710.87/20,296.34 = 9,125.11/x
  3. Step 3: Cross multiply
    14,710.87x = 20,296.34 × 9,125.11
  4. Step 4: Simplify right side
    14,710.87x = 185,206,289.47
  5. Step 5: Solve for x
    x = 185,206,289.47/14,710.87
  6. Step 6: Final answer
    x = 12,589.76

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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.