Home / 14,101.16-21,145.52-4,238.12

Finding the Fourth Proportional to 14,101.16, 21,145.52 and 4,238.12

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Solution

The fourth proportional to 14,101.16, 21,145.52 and 4,238.12 is: 6,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.16 : 21,145.52 = 4,238.12 : x
  2. Step 2: Convert to fraction form
    14,101.16/21,145.52 = 4,238.12/x
  3. Step 3: Cross multiply
    14,101.16x = 21,145.52 × 4,238.12
  4. Step 4: Simplify right side
    14,101.16x = 89,617,314.68
  5. Step 5: Solve for x
    x = 89,617,314.68/14,101.16
  6. Step 6: Final answer
    x = 6,355.32

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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.