Home / 13,475.24-18,594.60-9,940.40

Finding the Fourth Proportional to 13,475.24, 18,594.60 and 9,940.40

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Solution

The fourth proportional to 13,475.24, 18,594.60 and 9,940.40 is: 13,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.24 : 18,594.60 = 9,940.40 : x
  2. Step 2: Convert to fraction form
    13,475.24/18,594.60 = 9,940.40/x
  3. Step 3: Cross multiply
    13,475.24x = 18,594.60 × 9,940.40
  4. Step 4: Simplify right side
    13,475.24x = 184,837,761.84
  5. Step 5: Solve for x
    x = 184,837,761.84/13,475.24
  6. Step 6: Final answer
    x = 13,716.84

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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.