Home / 13,474.07-18,594.80-7,505.75

Finding the Fourth Proportional to 13,474.07, 18,594.80 and 7,505.75

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Solution

The fourth proportional to 13,474.07, 18,594.80 and 7,505.75 is: 10,358.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.07 : 18,594.80 = 7,505.75 : x
  2. Step 2: Convert to fraction form
    13,474.07/18,594.80 = 7,505.75/x
  3. Step 3: Cross multiply
    13,474.07x = 18,594.80 × 7,505.75
  4. Step 4: Simplify right side
    13,474.07x = 139,567,789.60
  5. Step 5: Solve for x
    x = 139,567,789.60/13,474.07
  6. Step 6: Final answer
    x = 10,358.25

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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.