Home / 14,409.68-19,755.64-14,147.24

Finding the Fourth Proportional to 14,409.68, 19,755.64 and 14,147.24

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Solution

The fourth proportional to 14,409.68, 19,755.64 and 14,147.24 is: 19,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409.68 : 19,755.64 = 14,147.24 : x
  2. Step 2: Convert to fraction form
    14,409.68/19,755.64 = 14,147.24/x
  3. Step 3: Cross multiply
    14,409.68x = 19,755.64 × 14,147.24
  4. Step 4: Simplify right side
    14,409.68x = 279,487,780.43
  5. Step 5: Solve for x
    x = 279,487,780.43/14,409.68
  6. Step 6: Final answer
    x = 19,395.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.