Home / 14,102.12-21,153.23-3,572.13

Finding the Fourth Proportional to 14,102.12, 21,153.23 and 3,572.13

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Solution

The fourth proportional to 14,102.12, 21,153.23 and 3,572.13 is: 5,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.12 : 21,153.23 = 3,572.13 : x
  2. Step 2: Convert to fraction form
    14,102.12/21,153.23 = 3,572.13/x
  3. Step 3: Cross multiply
    14,102.12x = 21,153.23 × 3,572.13
  4. Step 4: Simplify right side
    14,102.12x = 75,562,069.62
  5. Step 5: Solve for x
    x = 75,562,069.62/14,102.12
  6. Step 6: Final answer
    x = 5,358.21

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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.