Home / 13,752.03-18,977.82-7,464.41

Finding the Fourth Proportional to 13,752.03, 18,977.82 and 7,464.41

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Solution

The fourth proportional to 13,752.03, 18,977.82 and 7,464.41 is: 10,300.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.03 : 18,977.82 = 7,464.41 : x
  2. Step 2: Convert to fraction form
    13,752.03/18,977.82 = 7,464.41/x
  3. Step 3: Cross multiply
    13,752.03x = 18,977.82 × 7,464.41
  4. Step 4: Simplify right side
    13,752.03x = 141,658,134.50
  5. Step 5: Solve for x
    x = 141,658,134.50/13,752.03
  6. Step 6: Final answer
    x = 10,300.89

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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.