Home / 13,674.04-20,513.09-4,313.07

Finding the Fourth Proportional to 13,674.04, 20,513.09 and 4,313.07

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Solution

The fourth proportional to 13,674.04, 20,513.09 and 4,313.07 is: 6,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.04 : 20,513.09 = 4,313.07 : x
  2. Step 2: Convert to fraction form
    13,674.04/20,513.09 = 4,313.07/x
  3. Step 3: Cross multiply
    13,674.04x = 20,513.09 × 4,313.07
  4. Step 4: Simplify right side
    13,674.04x = 88,474,403.87
  5. Step 5: Solve for x
    x = 88,474,403.87/13,674.04
  6. Step 6: Final answer
    x = 6,470.25

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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.