Home / 14,113.24-21,170.91-4,753.21

Finding the Fourth Proportional to 14,113.24, 21,170.91 and 4,753.21

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Solution

The fourth proportional to 14,113.24, 21,170.91 and 4,753.21 is: 7,130.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.24 : 21,170.91 = 4,753.21 : x
  2. Step 2: Convert to fraction form
    14,113.24/21,170.91 = 4,753.21/x
  3. Step 3: Cross multiply
    14,113.24x = 21,170.91 × 4,753.21
  4. Step 4: Simplify right side
    14,113.24x = 100,629,781.12
  5. Step 5: Solve for x
    x = 100,629,781.12/14,113.24
  6. Step 6: Final answer
    x = 7,130.17

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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.