Home / 43,813.51-65,714.09-14,231.70

Finding the Fourth Proportional to 43,813.51, 65,714.09 and 14,231.70

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Solution

The fourth proportional to 43,813.51, 65,714.09 and 14,231.70 is: 21,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,813.51 : 65,714.09 = 14,231.70 : x
  2. Step 2: Convert to fraction form
    43,813.51/65,714.09 = 14,231.70/x
  3. Step 3: Cross multiply
    43,813.51x = 65,714.09 × 14,231.70
  4. Step 4: Simplify right side
    43,813.51x = 935,223,343.36
  5. Step 5: Solve for x
    x = 935,223,343.36/43,813.51
  6. Step 6: Final answer
    x = 21,345.55

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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.