Home / 13,573.51-20,358.37-7,563.71

Finding the Fourth Proportional to 13,573.51, 20,358.37 and 7,563.71

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Solution

The fourth proportional to 13,573.51, 20,358.37 and 7,563.71 is: 11,344.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.51 : 20,358.37 = 7,563.71 : x
  2. Step 2: Convert to fraction form
    13,573.51/20,358.37 = 7,563.71/x
  3. Step 3: Cross multiply
    13,573.51x = 20,358.37 × 7,563.71
  4. Step 4: Simplify right side
    13,573.51x = 153,984,768.93
  5. Step 5: Solve for x
    x = 153,984,768.93/13,573.51
  6. Step 6: Final answer
    x = 11,344.51

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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.