Home / 13,716.10-20,574.87-4,356.86

Finding the Fourth Proportional to 13,716.10, 20,574.87 and 4,356.86

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Solution

The fourth proportional to 13,716.10, 20,574.87 and 4,356.86 is: 6,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.10 : 20,574.87 = 4,356.86 : x
  2. Step 2: Convert to fraction form
    13,716.10/20,574.87 = 4,356.86/x
  3. Step 3: Cross multiply
    13,716.10x = 20,574.87 × 4,356.86
  4. Step 4: Simplify right side
    13,716.10x = 89,641,708.90
  5. Step 5: Solve for x
    x = 89,641,708.90/13,716.10
  6. Step 6: Final answer
    x = 6,535.51

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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.