Home / 13,133.63-19,697.98-4,249.15

Finding the Fourth Proportional to 13,133.63, 19,697.98 and 4,249.15

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Solution

The fourth proportional to 13,133.63, 19,697.98 and 4,249.15 is: 6,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.63 : 19,697.98 = 4,249.15 : x
  2. Step 2: Convert to fraction form
    13,133.63/19,697.98 = 4,249.15/x
  3. Step 3: Cross multiply
    13,133.63x = 19,697.98 × 4,249.15
  4. Step 4: Simplify right side
    13,133.63x = 83,699,671.72
  5. Step 5: Solve for x
    x = 83,699,671.72/13,133.63
  6. Step 6: Final answer
    x = 6,372.93

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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.