Home / 13,996.03-19,315.01-7,623.15

Finding the Fourth Proportional to 13,996.03, 19,315.01 and 7,623.15

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Solution

The fourth proportional to 13,996.03, 19,315.01 and 7,623.15 is: 10,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.03 : 19,315.01 = 7,623.15 : x
  2. Step 2: Convert to fraction form
    13,996.03/19,315.01 = 7,623.15/x
  3. Step 3: Cross multiply
    13,996.03x = 19,315.01 × 7,623.15
  4. Step 4: Simplify right side
    13,996.03x = 147,241,178.78
  5. Step 5: Solve for x
    x = 147,241,178.78/13,996.03
  6. Step 6: Final answer
    x = 10,520.21

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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.