Home / 13,810.51-20,715.24-4,451.02

Finding the Fourth Proportional to 13,810.51, 20,715.24 and 4,451.02

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Solution

The fourth proportional to 13,810.51, 20,715.24 and 4,451.02 is: 6,676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.51 : 20,715.24 = 4,451.02 : x
  2. Step 2: Convert to fraction form
    13,810.51/20,715.24 = 4,451.02/x
  3. Step 3: Cross multiply
    13,810.51x = 20,715.24 × 4,451.02
  4. Step 4: Simplify right side
    13,810.51x = 92,203,947.54
  5. Step 5: Solve for x
    x = 92,203,947.54/13,810.51
  6. Step 6: Final answer
    x = 6,676.36

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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.