Home / 13,839.44-19,098.36-7,551.76

Finding the Fourth Proportional to 13,839.44, 19,098.36 and 7,551.76

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Solution

The fourth proportional to 13,839.44, 19,098.36 and 7,551.76 is: 10,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.44 : 19,098.36 = 7,551.76 : x
  2. Step 2: Convert to fraction form
    13,839.44/19,098.36 = 7,551.76/x
  3. Step 3: Cross multiply
    13,839.44x = 19,098.36 × 7,551.76
  4. Step 4: Simplify right side
    13,839.44x = 144,226,231.11
  5. Step 5: Solve for x
    x = 144,226,231.11/13,839.44
  6. Step 6: Final answer
    x = 10,421.39

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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.