Home / 43,725.74-65,590.64-14,145.88

Finding the Fourth Proportional to 43,725.74, 65,590.64 and 14,145.88

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Solution

The fourth proportional to 43,725.74, 65,590.64 and 14,145.88 is: 21,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,725.74 : 65,590.64 = 14,145.88 : x
  2. Step 2: Convert to fraction form
    43,725.74/65,590.64 = 14,145.88/x
  3. Step 3: Cross multiply
    43,725.74x = 65,590.64 × 14,145.88
  4. Step 4: Simplify right side
    43,725.74x = 927,837,322.56
  5. Step 5: Solve for x
    x = 927,837,322.56/43,725.74
  6. Step 6: Final answer
    x = 21,219.48

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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.