Home / 43,490.93-65,244.56-13,900.82

Finding the Fourth Proportional to 43,490.93, 65,244.56 and 13,900.82

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Solution

The fourth proportional to 43,490.93, 65,244.56 and 13,900.82 is: 20,853.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,490.93 : 65,244.56 = 13,900.82 : x
  2. Step 2: Convert to fraction form
    43,490.93/65,244.56 = 13,900.82/x
  3. Step 3: Cross multiply
    43,490.93x = 65,244.56 × 13,900.82
  4. Step 4: Simplify right side
    43,490.93x = 906,952,488.81
  5. Step 5: Solve for x
    x = 906,952,488.81/43,490.93
  6. Step 6: Final answer
    x = 20,853.83

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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.