Home / 14,543.37-21,815.07-4,155.12

Finding the Fourth Proportional to 14,543.37, 21,815.07 and 4,155.12

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Solution

The fourth proportional to 14,543.37, 21,815.07 and 4,155.12 is: 6,232.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.37 : 21,815.07 = 4,155.12 : x
  2. Step 2: Convert to fraction form
    14,543.37/21,815.07 = 4,155.12/x
  3. Step 3: Cross multiply
    14,543.37x = 21,815.07 × 4,155.12
  4. Step 4: Simplify right side
    14,543.37x = 90,644,233.66
  5. Step 5: Solve for x
    x = 90,644,233.66/14,543.37
  6. Step 6: Final answer
    x = 6,232.68

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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.