Home / 13,072.88-18,041.64-7,484.24

Finding the Fourth Proportional to 13,072.88, 18,041.64 and 7,484.24

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Solution

The fourth proportional to 13,072.88, 18,041.64 and 7,484.24 is: 10,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.88 : 18,041.64 = 7,484.24 : x
  2. Step 2: Convert to fraction form
    13,072.88/18,041.64 = 7,484.24/x
  3. Step 3: Cross multiply
    13,072.88x = 18,041.64 × 7,484.24
  4. Step 4: Simplify right side
    13,072.88x = 135,027,963.75
  5. Step 5: Solve for x
    x = 135,027,963.75/13,072.88
  6. Step 6: Final answer
    x = 10,328.86

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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.