Home / 35,821.80-53,740.46-13,635.60

Finding the Fourth Proportional to 35,821.80, 53,740.46 and 13,635.60

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Solution

The fourth proportional to 35,821.80, 53,740.46 and 13,635.60 is: 20,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,821.80 : 53,740.46 = 13,635.60 : x
  2. Step 2: Convert to fraction form
    35,821.80/53,740.46 = 13,635.60/x
  3. Step 3: Cross multiply
    35,821.80x = 53,740.46 × 13,635.60
  4. Step 4: Simplify right side
    35,821.80x = 732,783,416.38
  5. Step 5: Solve for x
    x = 732,783,416.38/35,821.80
  6. Step 6: Final answer
    x = 20,456.35

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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.