Home / 35,705.39-53,558.55-13,512.80

Finding the Fourth Proportional to 35,705.39, 53,558.55 and 13,512.80

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Solution

The fourth proportional to 35,705.39, 53,558.55 and 13,512.80 is: 20,269.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,705.39 : 53,558.55 = 13,512.80 : x
  2. Step 2: Convert to fraction form
    35,705.39/53,558.55 = 13,512.80/x
  3. Step 3: Cross multiply
    35,705.39x = 53,558.55 × 13,512.80
  4. Step 4: Simplify right side
    35,705.39x = 723,725,706.65
  5. Step 5: Solve for x
    x = 723,725,706.65/35,705.39
  6. Step 6: Final answer
    x = 20,269.37

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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.