Home / 14,155.12-21,232.68-6,354.82

Finding the Fourth Proportional to 14,155.12, 21,232.68 and 6,354.82

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Solution

The fourth proportional to 14,155.12, 21,232.68 and 6,354.82 is: 9,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.12 : 21,232.68 = 6,354.82 : x
  2. Step 2: Convert to fraction form
    14,155.12/21,232.68 = 6,354.82/x
  3. Step 3: Cross multiply
    14,155.12x = 21,232.68 × 6,354.82
  4. Step 4: Simplify right side
    14,155.12x = 134,929,859.52
  5. Step 5: Solve for x
    x = 134,929,859.52/14,155.12
  6. Step 6: Final answer
    x = 9,532.23

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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.