Home / 55,805.44-83,706.40-13,685.65

Finding the Fourth Proportional to 55,805.44, 83,706.40 and 13,685.65

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Solution

The fourth proportional to 55,805.44, 83,706.40 and 13,685.65 is: 20,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,805.44 : 83,706.40 = 13,685.65 : x
  2. Step 2: Convert to fraction form
    55,805.44/83,706.40 = 13,685.65/x
  3. Step 3: Cross multiply
    55,805.44x = 83,706.40 × 13,685.65
  4. Step 4: Simplify right side
    55,805.44x = 1,145,576,493.16
  5. Step 5: Solve for x
    x = 1,145,576,493.16/55,805.44
  6. Step 6: Final answer
    x = 20,528.04

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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.