Home / 13,400.99-20,085.46-4,631.03

Finding the Fourth Proportional to 13,400.99, 20,085.46 and 4,631.03

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Solution

The fourth proportional to 13,400.99, 20,085.46 and 4,631.03 is: 6,941.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.99 : 20,085.46 = 4,631.03 : x
  2. Step 2: Convert to fraction form
    13,400.99/20,085.46 = 4,631.03/x
  3. Step 3: Cross multiply
    13,400.99x = 20,085.46 × 4,631.03
  4. Step 4: Simplify right side
    13,400.99x = 93,016,367.82
  5. Step 5: Solve for x
    x = 93,016,367.82/13,400.99
  6. Step 6: Final answer
    x = 6,941.01

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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.