Home / 13,594.24-20,391.56-5,274.72

Finding the Fourth Proportional to 13,594.24, 20,391.56 and 5,274.72

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Solution

The fourth proportional to 13,594.24, 20,391.56 and 5,274.72 is: 7,912.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,594.24 : 20,391.56 = 5,274.72 : x
  2. Step 2: Convert to fraction form
    13,594.24/20,391.56 = 5,274.72/x
  3. Step 3: Cross multiply
    13,594.24x = 20,391.56 × 5,274.72
  4. Step 4: Simplify right side
    13,594.24x = 107,559,769.36
  5. Step 5: Solve for x
    x = 107,559,769.36/13,594.24
  6. Step 6: Final answer
    x = 7,912.16

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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.