Home / 13,433.94-18,533.88-8,716.50

Finding the Fourth Proportional to 13,433.94, 18,533.88 and 8,716.50

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Solution

The fourth proportional to 13,433.94, 18,533.88 and 8,716.50 is: 12,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.94 : 18,533.88 = 8,716.50 : x
  2. Step 2: Convert to fraction form
    13,433.94/18,533.88 = 8,716.50/x
  3. Step 3: Cross multiply
    13,433.94x = 18,533.88 × 8,716.50
  4. Step 4: Simplify right side
    13,433.94x = 161,550,565.02
  5. Step 5: Solve for x
    x = 161,550,565.02/13,433.94
  6. Step 6: Final answer
    x = 12,025.55

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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.