Home / 13,353.72-18,428.49-7,304.24

Finding the Fourth Proportional to 13,353.72, 18,428.49 and 7,304.24

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Solution

The fourth proportional to 13,353.72, 18,428.49 and 7,304.24 is: 10,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.72 : 18,428.49 = 7,304.24 : x
  2. Step 2: Convert to fraction form
    13,353.72/18,428.49 = 7,304.24/x
  3. Step 3: Cross multiply
    13,353.72x = 18,428.49 × 7,304.24
  4. Step 4: Simplify right side
    13,353.72x = 134,606,021.66
  5. Step 5: Solve for x
    x = 134,606,021.66/13,353.72
  6. Step 6: Final answer
    x = 10,080.04

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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.